Home / 131,432.10-197,148.18-48,315.30

Finding the Fourth Proportional to 131,432.10, 197,148.18 and 48,315.30

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Solution

The fourth proportional to 131,432.10, 197,148.18 and 48,315.30 is: 72,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.10 : 197,148.18 = 48,315.30 : x
  2. Step 2: Convert to fraction form
    131,432.10/197,148.18 = 48,315.30/x
  3. Step 3: Cross multiply
    131,432.10x = 197,148.18 × 48,315.30
  4. Step 4: Simplify right side
    131,432.10x = 9,525,273,461.15
  5. Step 5: Solve for x
    x = 9,525,273,461.15/131,432.10
  6. Step 6: Final answer
    x = 72,472.96

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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.