Home / 176,637.65-243,758.97-100,156.64

Finding the Fourth Proportional to 176,637.65, 243,758.97 and 100,156.64

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Solution

The fourth proportional to 176,637.65, 243,758.97 and 100,156.64 is: 138,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,637.65 : 243,758.97 = 100,156.64 : x
  2. Step 2: Convert to fraction form
    176,637.65/243,758.97 = 100,156.64/x
  3. Step 3: Cross multiply
    176,637.65x = 243,758.97 × 100,156.64
  4. Step 4: Simplify right side
    176,637.65x = 24,414,078,186.27
  5. Step 5: Solve for x
    x = 24,414,078,186.27/176,637.65
  6. Step 6: Final answer
    x = 138,215.60

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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.