Home / 156,547.41-234,856.95-67,815.69

Finding the Fourth Proportional to 156,547.41, 234,856.95 and 67,815.69

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Solution

The fourth proportional to 156,547.41, 234,856.95 and 67,815.69 is: 101,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,547.41 : 234,856.95 = 67,815.69 : x
  2. Step 2: Convert to fraction form
    156,547.41/234,856.95 = 67,815.69/x
  3. Step 3: Cross multiply
    156,547.41x = 234,856.95 × 67,815.69
  4. Step 4: Simplify right side
    156,547.41x = 15,926,986,115.55
  5. Step 5: Solve for x
    x = 15,926,986,115.55/156,547.41
  6. Step 6: Final answer
    x = 101,739.06

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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.