Home / 157,301.16-217,078.92-85,681.01

Finding the Fourth Proportional to 157,301.16, 217,078.92 and 85,681.01

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Solution

The fourth proportional to 157,301.16, 217,078.92 and 85,681.01 is: 118,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,301.16 : 217,078.92 = 85,681.01 : x
  2. Step 2: Convert to fraction form
    157,301.16/217,078.92 = 85,681.01/x
  3. Step 3: Cross multiply
    157,301.16x = 217,078.92 × 85,681.01
  4. Step 4: Simplify right side
    157,301.16x = 18,599,541,115.31
  5. Step 5: Solve for x
    x = 18,599,541,115.31/157,301.16
  6. Step 6: Final answer
    x = 118,241.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.