Home / 154,958.10-232,437.15-107,718.90

Finding the Fourth Proportional to 154,958.10, 232,437.15 and 107,718.90

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Solution

The fourth proportional to 154,958.10, 232,437.15 and 107,718.90 is: 161,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,958.10 : 232,437.15 = 107,718.90 : x
  2. Step 2: Convert to fraction form
    154,958.10/232,437.15 = 107,718.90/x
  3. Step 3: Cross multiply
    154,958.10x = 232,437.15 × 107,718.90
  4. Step 4: Simplify right side
    154,958.10x = 25,037,874,117.14
  5. Step 5: Solve for x
    x = 25,037,874,117.14/154,958.10
  6. Step 6: Final answer
    x = 161,578.35

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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.