Home / 158,080.92-218,155.98-86,465.16

Finding the Fourth Proportional to 158,080.92, 218,155.98 and 86,465.16

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Solution

The fourth proportional to 158,080.92, 218,155.98 and 86,465.16 is: 119,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,080.92 : 218,155.98 = 86,465.16 : x
  2. Step 2: Convert to fraction form
    158,080.92/218,155.98 = 86,465.16/x
  3. Step 3: Cross multiply
    158,080.92x = 218,155.98 × 86,465.16
  4. Step 4: Simplify right side
    158,080.92x = 18,862,891,715.66
  5. Step 5: Solve for x
    x = 18,862,891,715.66/158,080.92
  6. Step 6: Final answer
    x = 119,324.28

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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.