Home / 132,421.08-182,744.52-71,995.80

Finding the Fourth Proportional to 132,421.08, 182,744.52 and 71,995.80

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Solution

The fourth proportional to 132,421.08, 182,744.52 and 71,995.80 is: 99,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,421.08 : 182,744.52 = 71,995.80 : x
  2. Step 2: Convert to fraction form
    132,421.08/182,744.52 = 71,995.80/x
  3. Step 3: Cross multiply
    132,421.08x = 182,744.52 × 71,995.80
  4. Step 4: Simplify right side
    132,421.08x = 13,156,837,913.02
  5. Step 5: Solve for x
    x = 13,156,837,913.02/132,421.08
  6. Step 6: Final answer
    x = 99,356.07

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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.