Home / 198,667.61-298,001.40-58,426.23

Finding the Fourth Proportional to 198,667.61, 298,001.40 and 58,426.23

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Solution

The fourth proportional to 198,667.61, 298,001.40 and 58,426.23 is: 87,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,667.61 : 298,001.40 = 58,426.23 : x
  2. Step 2: Convert to fraction form
    198,667.61/298,001.40 = 58,426.23/x
  3. Step 3: Cross multiply
    198,667.61x = 298,001.40 × 58,426.23
  4. Step 4: Simplify right side
    198,667.61x = 17,411,099,563.78
  5. Step 5: Solve for x
    x = 17,411,099,563.78/198,667.61
  6. Step 6: Final answer
    x = 87,639.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.