Home / 157,868.16-217,862.34-86,252.04

Finding the Fourth Proportional to 157,868.16, 217,862.34 and 86,252.04

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Solution

The fourth proportional to 157,868.16, 217,862.34 and 86,252.04 is: 119,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,868.16 : 217,862.34 = 86,252.04 : x
  2. Step 2: Convert to fraction form
    157,868.16/217,862.34 = 86,252.04/x
  3. Step 3: Cross multiply
    157,868.16x = 217,862.34 × 86,252.04
  4. Step 4: Simplify right side
    157,868.16x = 18,791,071,264.17
  5. Step 5: Solve for x
    x = 18,791,071,264.17/157,868.16
  6. Step 6: Final answer
    x = 119,030.15

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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.