Home / 154,313.27-212,974.98-93,872.18

Finding the Fourth Proportional to 154,313.27, 212,974.98 and 93,872.18

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Solution

The fourth proportional to 154,313.27, 212,974.98 and 93,872.18 is: 129,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,313.27 : 212,974.98 = 93,872.18 : x
  2. Step 2: Convert to fraction form
    154,313.27/212,974.98 = 93,872.18/x
  3. Step 3: Cross multiply
    154,313.27x = 212,974.98 × 93,872.18
  4. Step 4: Simplify right side
    154,313.27x = 19,992,425,658.06
  5. Step 5: Solve for x
    x = 19,992,425,658.06/154,313.27
  6. Step 6: Final answer
    x = 129,557.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.