Home / 154,777.40-232,166.10-145,446.20

Finding the Fourth Proportional to 154,777.40, 232,166.10 and 145,446.20

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Solution

The fourth proportional to 154,777.40, 232,166.10 and 145,446.20 is: 218,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,777.40 : 232,166.10 = 145,446.20 : x
  2. Step 2: Convert to fraction form
    154,777.40/232,166.10 = 145,446.20/x
  3. Step 3: Cross multiply
    154,777.40x = 232,166.10 × 145,446.20
  4. Step 4: Simplify right side
    154,777.40x = 33,767,677,013.82
  5. Step 5: Solve for x
    x = 33,767,677,013.82/154,777.40
  6. Step 6: Final answer
    x = 218,169.30

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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.