Home / 132,285.96-182,557.68-71,859

Finding the Fourth Proportional to 132,285.96, 182,557.68 and 71,859

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Solution

The fourth proportional to 132,285.96, 182,557.68 and 71,859 is: 99,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,285.96 : 182,557.68 = 71,859 : x
  2. Step 2: Convert to fraction form
    132,285.96/182,557.68 = 71,859/x
  3. Step 3: Cross multiply
    132,285.96x = 182,557.68 × 71,859
  4. Step 4: Simplify right side
    132,285.96x = 13,118,412,327.12
  5. Step 5: Solve for x
    x = 13,118,412,327.12/132,285.96
  6. Step 6: Final answer
    x = 99,167.08

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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.