Home / 249,634.32-374,337.84-72,099.12

Finding the Fourth Proportional to 249,634.32, 374,337.84 and 72,099.12

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Solution

The fourth proportional to 249,634.32, 374,337.84 and 72,099.12 is: 108,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,634.32 : 374,337.84 = 72,099.12 : x
  2. Step 2: Convert to fraction form
    249,634.32/374,337.84 = 72,099.12/x
  3. Step 3: Cross multiply
    249,634.32x = 374,337.84 × 72,099.12
  4. Step 4: Simplify right side
    249,634.32x = 26,989,428,846.70
  5. Step 5: Solve for x
    x = 26,989,428,846.70/249,634.32
  6. Step 6: Final answer
    x = 108,115.86

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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.