Home / 176,191.65-243,156.33-99,710.64

Finding the Fourth Proportional to 176,191.65, 243,156.33 and 99,710.64

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Solution

The fourth proportional to 176,191.65, 243,156.33 and 99,710.64 is: 137,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,191.65 : 243,156.33 = 99,710.64 : x
  2. Step 2: Convert to fraction form
    176,191.65/243,156.33 = 99,710.64/x
  3. Step 3: Cross multiply
    176,191.65x = 243,156.33 × 99,710.64
  4. Step 4: Simplify right side
    176,191.65x = 24,245,273,284.35
  5. Step 5: Solve for x
    x = 24,245,273,284.35/176,191.65
  6. Step 6: Final answer
    x = 137,607.39

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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.