Home / 158,934.24-219,333.12-87,318.88

Finding the Fourth Proportional to 158,934.24, 219,333.12 and 87,318.88

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Solution

The fourth proportional to 158,934.24, 219,333.12 and 87,318.88 is: 120,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,934.24 : 219,333.12 = 87,318.88 : x
  2. Step 2: Convert to fraction form
    158,934.24/219,333.12 = 87,318.88/x
  3. Step 3: Cross multiply
    158,934.24x = 219,333.12 × 87,318.88
  4. Step 4: Simplify right side
    158,934.24x = 19,151,922,385.31
  5. Step 5: Solve for x
    x = 19,151,922,385.31/158,934.24
  6. Step 6: Final answer
    x = 120,502.18

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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.