Home / 238,877.96-358,370.22-72,678.92

Finding the Fourth Proportional to 238,877.96, 358,370.22 and 72,678.92

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Solution

The fourth proportional to 238,877.96, 358,370.22 and 72,678.92 is: 109,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,877.96 : 358,370.22 = 72,678.92 : x
  2. Step 2: Convert to fraction form
    238,877.96/358,370.22 = 72,678.92/x
  3. Step 3: Cross multiply
    238,877.96x = 358,370.22 × 72,678.92
  4. Step 4: Simplify right side
    238,877.96x = 26,045,960,549.76
  5. Step 5: Solve for x
    x = 26,045,960,549.76/238,877.96
  6. Step 6: Final answer
    x = 109,034.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.