Home / 261,948.20-392,591.90-112,011.24

Finding the Fourth Proportional to 261,948.20, 392,591.90 and 112,011.24

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Solution

The fourth proportional to 261,948.20, 392,591.90 and 112,011.24 is: 167,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,948.20 : 392,591.90 = 112,011.24 : x
  2. Step 2: Convert to fraction form
    261,948.20/392,591.90 = 112,011.24/x
  3. Step 3: Cross multiply
    261,948.20x = 392,591.90 × 112,011.24
  4. Step 4: Simplify right side
    261,948.20x = 43,974,705,532.96
  5. Step 5: Solve for x
    x = 43,974,705,532.96/261,948.20
  6. Step 6: Final answer
    x = 167,875.58

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1.5x scale

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.