Home / 132,565.14-182,939.93-72,136.02

Finding the Fourth Proportional to 132,565.14, 182,939.93 and 72,136.02

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Solution

The fourth proportional to 132,565.14, 182,939.93 and 72,136.02 is: 99,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,565.14 : 182,939.93 = 72,136.02 : x
  2. Step 2: Convert to fraction form
    132,565.14/182,939.93 = 72,136.02/x
  3. Step 3: Cross multiply
    132,565.14x = 182,939.93 × 72,136.02
  4. Step 4: Simplify right side
    132,565.14x = 13,196,558,088.60
  5. Step 5: Solve for x
    x = 13,196,558,088.60/132,565.14
  6. Step 6: Final answer
    x = 99,547.72

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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.