Home / 176,264.28-243,186.75-99,775.80

Finding the Fourth Proportional to 176,264.28, 243,186.75 and 99,775.80

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Solution

The fourth proportional to 176,264.28, 243,186.75 and 99,775.80 is: 137,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,264.28 : 243,186.75 = 99,775.80 : x
  2. Step 2: Convert to fraction form
    176,264.28/243,186.75 = 99,775.80/x
  3. Step 3: Cross multiply
    176,264.28x = 243,186.75 × 99,775.80
  4. Step 4: Simplify right side
    176,264.28x = 24,264,152,530.65
  5. Step 5: Solve for x
    x = 24,264,152,530.65/176,264.28
  6. Step 6: Final answer
    x = 137,657.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.