Home / 131,248.90-196,904.67-42,502.60

Finding the Fourth Proportional to 131,248.90, 196,904.67 and 42,502.60

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Solution

The fourth proportional to 131,248.90, 196,904.67 and 42,502.60 is: 63,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,248.90 : 196,904.67 = 42,502.60 : x
  2. Step 2: Convert to fraction form
    131,248.90/196,904.67 = 42,502.60/x
  3. Step 3: Cross multiply
    131,248.90x = 196,904.67 × 42,502.60
  4. Step 4: Simplify right side
    131,248.90x = 8,368,960,427.14
  5. Step 5: Solve for x
    x = 8,368,960,427.14/131,248.90
  6. Step 6: Final answer
    x = 63,764.04

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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.