Home / 131,050.40-196,575.60-42,306.80

Finding the Fourth Proportional to 131,050.40, 196,575.60 and 42,306.80

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Solution

The fourth proportional to 131,050.40, 196,575.60 and 42,306.80 is: 63,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,050.40 : 196,575.60 = 42,306.80 : x
  2. Step 2: Convert to fraction form
    131,050.40/196,575.60 = 42,306.80/x
  3. Step 3: Cross multiply
    131,050.40x = 196,575.60 × 42,306.80
  4. Step 4: Simplify right side
    131,050.40x = 8,316,484,594.08
  5. Step 5: Solve for x
    x = 8,316,484,594.08/131,050.40
  6. Step 6: Final answer
    x = 63,460.20

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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.