Home / 176,347.45-243,357.78-99,864.55

Finding the Fourth Proportional to 176,347.45, 243,357.78 and 99,864.55

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Solution

The fourth proportional to 176,347.45, 243,357.78 and 99,864.55 is: 137,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,347.45 : 243,357.78 = 99,864.55 : x
  2. Step 2: Convert to fraction form
    176,347.45/243,357.78 = 99,864.55/x
  3. Step 3: Cross multiply
    176,347.45x = 243,357.78 × 99,864.55
  4. Step 4: Simplify right side
    176,347.45x = 24,302,815,188.70
  5. Step 5: Solve for x
    x = 24,302,815,188.70/176,347.45
  6. Step 6: Final answer
    x = 137,812.12

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1.5x scale

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.