Home / 166,423.08-229,663.88-89,941.92

Finding the Fourth Proportional to 166,423.08, 229,663.88 and 89,941.92

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Solution

The fourth proportional to 166,423.08, 229,663.88 and 89,941.92 is: 124,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,423.08 : 229,663.88 = 89,941.92 : x
  2. Step 2: Convert to fraction form
    166,423.08/229,663.88 = 89,941.92/x
  3. Step 3: Cross multiply
    166,423.08x = 229,663.88 × 89,941.92
  4. Step 4: Simplify right side
    166,423.08x = 20,656,411,070.66
  5. Step 5: Solve for x
    x = 20,656,411,070.66/166,423.08
  6. Step 6: Final answer
    x = 124,119.87

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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.