Home / 145,110.60-217,374.30-97,871.40

Finding the Fourth Proportional to 145,110.60, 217,374.30 and 97,871.40

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Solution

The fourth proportional to 145,110.60, 217,374.30 and 97,871.40 is: 146,610.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,110.60 : 217,374.30 = 97,871.40 : x
  2. Step 2: Convert to fraction form
    145,110.60/217,374.30 = 97,871.40/x
  3. Step 3: Cross multiply
    145,110.60x = 217,374.30 × 97,871.40
  4. Step 4: Simplify right side
    145,110.60x = 21,274,727,065.02
  5. Step 5: Solve for x
    x = 21,274,727,065.02/145,110.60
  6. Step 6: Final answer
    x = 146,610.43

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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.