Home / 176,515.83-243,709.15-135,607.10

Finding the Fourth Proportional to 176,515.83, 243,709.15 and 135,607.10

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Solution

The fourth proportional to 176,515.83, 243,709.15 and 135,607.10 is: 187,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,515.83 : 243,709.15 = 135,607.10 : x
  2. Step 2: Convert to fraction form
    176,515.83/243,709.15 = 135,607.10/x
  3. Step 3: Cross multiply
    176,515.83x = 243,709.15 × 135,607.10
  4. Step 4: Simplify right side
    176,515.83x = 33,048,691,074.97
  5. Step 5: Solve for x
    x = 33,048,691,074.97/176,515.83
  6. Step 6: Final answer
    x = 187,227.92

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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.