Home / 178,333.76-267,547.08-78,513.68

Finding the Fourth Proportional to 178,333.76, 267,547.08 and 78,513.68

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Solution

The fourth proportional to 178,333.76, 267,547.08 and 78,513.68 is: 117,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,333.76 : 267,547.08 = 78,513.68 : x
  2. Step 2: Convert to fraction form
    178,333.76/267,547.08 = 78,513.68/x
  3. Step 3: Cross multiply
    178,333.76x = 267,547.08 × 78,513.68
  4. Step 4: Simplify right side
    178,333.76x = 21,006,105,824.05
  5. Step 5: Solve for x
    x = 21,006,105,824.05/178,333.76
  6. Step 6: Final answer
    x = 117,790.97

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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.