Home / 158,909.04-219,306.24-98,491.56

Finding the Fourth Proportional to 158,909.04, 219,306.24 and 98,491.56

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Solution

The fourth proportional to 158,909.04, 219,306.24 and 98,491.56 is: 135,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,909.04 : 219,306.24 = 98,491.56 : x
  2. Step 2: Convert to fraction form
    158,909.04/219,306.24 = 98,491.56/x
  3. Step 3: Cross multiply
    158,909.04x = 219,306.24 × 98,491.56
  4. Step 4: Simplify right side
    158,909.04x = 21,599,813,695.33
  5. Step 5: Solve for x
    x = 21,599,813,695.33/158,909.04
  6. Step 6: Final answer
    x = 135,925.64

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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.