Home / 132,598.09-182,986.86-72,169.12

Finding the Fourth Proportional to 132,598.09, 182,986.86 and 72,169.12

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Solution

The fourth proportional to 132,598.09, 182,986.86 and 72,169.12 is: 99,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,598.09 : 182,986.86 = 72,169.12 : x
  2. Step 2: Convert to fraction form
    132,598.09/182,986.86 = 72,169.12/x
  3. Step 3: Cross multiply
    132,598.09x = 182,986.86 × 72,169.12
  4. Step 4: Simplify right side
    132,598.09x = 13,206,000,657.76
  5. Step 5: Solve for x
    x = 13,206,000,657.76/132,598.09
  6. Step 6: Final answer
    x = 99,594.20

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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.