Home / 110,176.96-152,001.26-81,565.10

Finding the Fourth Proportional to 110,176.96, 152,001.26 and 81,565.10

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Solution

The fourth proportional to 110,176.96, 152,001.26 and 81,565.10 is: 112,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,176.96 : 152,001.26 = 81,565.10 : x
  2. Step 2: Convert to fraction form
    110,176.96/152,001.26 = 81,565.10/x
  3. Step 3: Cross multiply
    110,176.96x = 152,001.26 × 81,565.10
  4. Step 4: Simplify right side
    110,176.96x = 12,397,997,972.03
  5. Step 5: Solve for x
    x = 12,397,997,972.03/110,176.96
  6. Step 6: Final answer
    x = 112,528.05

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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.