Home / 187,102.53-280,723.50-112,276.35

Finding the Fourth Proportional to 187,102.53, 280,723.50 and 112,276.35

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Solution

The fourth proportional to 187,102.53, 280,723.50 and 112,276.35 is: 168,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,102.53 : 280,723.50 = 112,276.35 : x
  2. Step 2: Convert to fraction form
    187,102.53/280,723.50 = 112,276.35/x
  3. Step 3: Cross multiply
    187,102.53x = 280,723.50 × 112,276.35
  4. Step 4: Simplify right side
    187,102.53x = 31,518,609,939.23
  5. Step 5: Solve for x
    x = 31,518,609,939.23/187,102.53
  6. Step 6: Final answer
    x = 168,456.35

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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.