Home / 166,487.04-229,555.80-134,557.20

Finding the Fourth Proportional to 166,487.04, 229,555.80 and 134,557.20

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Solution

The fourth proportional to 166,487.04, 229,555.80 and 134,557.20 is: 185,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,487.04 : 229,555.80 = 134,557.20 : x
  2. Step 2: Convert to fraction form
    166,487.04/229,555.80 = 134,557.20/x
  3. Step 3: Cross multiply
    166,487.04x = 229,555.80 × 134,557.20
  4. Step 4: Simplify right side
    166,487.04x = 30,888,385,691.76
  5. Step 5: Solve for x
    x = 30,888,385,691.76/166,487.04
  6. Step 6: Final answer
    x = 185,530.27

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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.