Home / 135,547.53-187,052.90-75,116.92

Finding the Fourth Proportional to 135,547.53, 187,052.90 and 75,116.92

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Solution

The fourth proportional to 135,547.53, 187,052.90 and 75,116.92 is: 103,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,547.53 : 187,052.90 = 75,116.92 : x
  2. Step 2: Convert to fraction form
    135,547.53/187,052.90 = 75,116.92/x
  3. Step 3: Cross multiply
    135,547.53x = 187,052.90 × 75,116.92
  4. Step 4: Simplify right side
    135,547.53x = 14,050,837,232.58
  5. Step 5: Solve for x
    x = 14,050,837,232.58/135,547.53
  6. Step 6: Final answer
    x = 103,659.86

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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.