Home / 187,784.76-281,674.50-45,631.08

Finding the Fourth Proportional to 187,784.76, 281,674.50 and 45,631.08

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Solution

The fourth proportional to 187,784.76, 281,674.50 and 45,631.08 is: 68,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,784.76 : 281,674.50 = 45,631.08 : x
  2. Step 2: Convert to fraction form
    187,784.76/281,674.50 = 45,631.08/x
  3. Step 3: Cross multiply
    187,784.76x = 281,674.50 × 45,631.08
  4. Step 4: Simplify right side
    187,784.76x = 12,853,111,643.46
  5. Step 5: Solve for x
    x = 12,853,111,643.46/187,784.76
  6. Step 6: Final answer
    x = 68,445.98

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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.