Home / 157,209.93-216,954.24-85,591.17

Finding the Fourth Proportional to 157,209.93, 216,954.24 and 85,591.17

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Solution

The fourth proportional to 157,209.93, 216,954.24 and 85,591.17 is: 118,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,209.93 : 216,954.24 = 85,591.17 : x
  2. Step 2: Convert to fraction form
    157,209.93/216,954.24 = 85,591.17/x
  3. Step 3: Cross multiply
    157,209.93x = 216,954.24 × 85,591.17
  4. Step 4: Simplify right side
    157,209.93x = 18,569,367,238.06
  5. Step 5: Solve for x
    x = 18,569,367,238.06/157,209.93
  6. Step 6: Final answer
    x = 118,118.28

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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.