Home / 176,297.04-243,123.12-115,760.88

Finding the Fourth Proportional to 176,297.04, 243,123.12 and 115,760.88

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Solution

The fourth proportional to 176,297.04, 243,123.12 and 115,760.88 is: 159,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,297.04 : 243,123.12 = 115,760.88 : x
  2. Step 2: Convert to fraction form
    176,297.04/243,123.12 = 115,760.88/x
  3. Step 3: Cross multiply
    176,297.04x = 243,123.12 × 115,760.88
  4. Step 4: Simplify right side
    176,297.04x = 28,144,146,319.55
  5. Step 5: Solve for x
    x = 28,144,146,319.55/176,297.04
  6. Step 6: Final answer
    x = 159,640.49

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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.