Home / 198,667.56-298,051.02-65,555.40

Finding the Fourth Proportional to 198,667.56, 298,051.02 and 65,555.40

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Solution

The fourth proportional to 198,667.56, 298,051.02 and 65,555.40 is: 98,349.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,667.56 : 298,051.02 = 65,555.40 : x
  2. Step 2: Convert to fraction form
    198,667.56/298,051.02 = 65,555.40/x
  3. Step 3: Cross multiply
    198,667.56x = 298,051.02 × 65,555.40
  4. Step 4: Simplify right side
    198,667.56x = 19,538,853,836.51
  5. Step 5: Solve for x
    x = 19,538,853,836.51/198,667.56
  6. Step 6: Final answer
    x = 98,349.49

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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.