Home / 148,869.40-223,304.10-120,875.80

Finding the Fourth Proportional to 148,869.40, 223,304.10 and 120,875.80

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Solution

The fourth proportional to 148,869.40, 223,304.10 and 120,875.80 is: 181,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,869.40 : 223,304.10 = 120,875.80 : x
  2. Step 2: Convert to fraction form
    148,869.40/223,304.10 = 120,875.80/x
  3. Step 3: Cross multiply
    148,869.40x = 223,304.10 × 120,875.80
  4. Step 4: Simplify right side
    148,869.40x = 26,992,061,730.78
  5. Step 5: Solve for x
    x = 26,992,061,730.78/148,869.40
  6. Step 6: Final answer
    x = 181,313.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.