Home / 134,322.30-185,332.86-86,519.34

Finding the Fourth Proportional to 134,322.30, 185,332.86 and 86,519.34

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Solution

The fourth proportional to 134,322.30, 185,332.86 and 86,519.34 is: 119,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,322.30 : 185,332.86 = 86,519.34 : x
  2. Step 2: Convert to fraction form
    134,322.30/185,332.86 = 86,519.34/x
  3. Step 3: Cross multiply
    134,322.30x = 185,332.86 × 86,519.34
  4. Step 4: Simplify right side
    134,322.30x = 16,034,876,727.51
  5. Step 5: Solve for x
    x = 16,034,876,727.51/134,322.30
  6. Step 6: Final answer
    x = 119,376.13

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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.