Home / 154,770.40-232,680.48-123,578.92

Finding the Fourth Proportional to 154,770.40, 232,680.48 and 123,578.92

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Solution

The fourth proportional to 154,770.40, 232,680.48 and 123,578.92 is: 185,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,770.40 : 232,680.48 = 123,578.92 : x
  2. Step 2: Convert to fraction form
    154,770.40/232,680.48 = 123,578.92/x
  3. Step 3: Cross multiply
    154,770.40x = 232,680.48 × 123,578.92
  4. Step 4: Simplify right side
    154,770.40x = 28,754,402,423.48
  5. Step 5: Solve for x
    x = 28,754,402,423.48/154,770.40
  6. Step 6: Final answer
    x = 185,787.48

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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.