Home / 132,547.07-182,909.48-72,117.96

Finding the Fourth Proportional to 132,547.07, 182,909.48 and 72,117.96

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Solution

The fourth proportional to 132,547.07, 182,909.48 and 72,117.96 is: 99,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,547.07 : 182,909.48 = 72,117.96 : x
  2. Step 2: Convert to fraction form
    132,547.07/182,909.48 = 72,117.96/x
  3. Step 3: Cross multiply
    132,547.07x = 182,909.48 × 72,117.96
  4. Step 4: Simplify right side
    132,547.07x = 13,191,057,287.12
  5. Step 5: Solve for x
    x = 13,191,057,287.12/132,547.07
  6. Step 6: Final answer
    x = 99,519.80

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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.