Home / 154,545.57-231,851.67-47,927.40

Finding the Fourth Proportional to 154,545.57, 231,851.67 and 47,927.40

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Solution

The fourth proportional to 154,545.57, 231,851.67 and 47,927.40 is: 71,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,545.57 : 231,851.67 = 47,927.40 : x
  2. Step 2: Convert to fraction form
    154,545.57/231,851.67 = 47,927.40/x
  3. Step 3: Cross multiply
    154,545.57x = 231,851.67 × 47,927.40
  4. Step 4: Simplify right side
    154,545.57x = 11,112,047,728.76
  5. Step 5: Solve for x
    x = 11,112,047,728.76/154,545.57
  6. Step 6: Final answer
    x = 71,901.43

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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.