Home / 158,088.24-218,168.76-91,041.84

Finding the Fourth Proportional to 158,088.24, 218,168.76 and 91,041.84

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Solution

The fourth proportional to 158,088.24, 218,168.76 and 91,041.84 is: 125,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,088.24 : 218,168.76 = 91,041.84 : x
  2. Step 2: Convert to fraction form
    158,088.24/218,168.76 = 91,041.84/x
  3. Step 3: Cross multiply
    158,088.24x = 218,168.76 × 91,041.84
  4. Step 4: Simplify right side
    158,088.24x = 19,862,485,340.92
  5. Step 5: Solve for x
    x = 19,862,485,340.92/158,088.24
  6. Step 6: Final answer
    x = 125,641.76

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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.