Home / 157,526.18-217,384.17-85,904.54

Finding the Fourth Proportional to 157,526.18, 217,384.17 and 85,904.54

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Solution

The fourth proportional to 157,526.18, 217,384.17 and 85,904.54 is: 118,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,526.18 : 217,384.17 = 85,904.54 : x
  2. Step 2: Convert to fraction form
    157,526.18/217,384.17 = 85,904.54/x
  3. Step 3: Cross multiply
    157,526.18x = 217,384.17 × 85,904.54
  4. Step 4: Simplify right side
    157,526.18x = 18,674,287,127.13
  5. Step 5: Solve for x
    x = 18,674,287,127.13/157,526.18
  6. Step 6: Final answer
    x = 118,547.20

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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.