Home / 123,916.55-171,001.61-70,200.18

Finding the Fourth Proportional to 123,916.55, 171,001.61 and 70,200.18

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Solution

The fourth proportional to 123,916.55, 171,001.61 and 70,200.18 is: 96,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,916.55 : 171,001.61 = 70,200.18 : x
  2. Step 2: Convert to fraction form
    123,916.55/171,001.61 = 70,200.18/x
  3. Step 3: Cross multiply
    123,916.55x = 171,001.61 × 70,200.18
  4. Step 4: Simplify right side
    123,916.55x = 12,004,343,451.29
  5. Step 5: Solve for x
    x = 12,004,343,451.29/123,916.55
  6. Step 6: Final answer
    x = 96,874.42

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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.