Home / 109,823.16-151,442.76-93,960.12

Finding the Fourth Proportional to 109,823.16, 151,442.76 and 93,960.12

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Solution

The fourth proportional to 109,823.16, 151,442.76 and 93,960.12 is: 129,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,823.16 : 151,442.76 = 93,960.12 : x
  2. Step 2: Convert to fraction form
    109,823.16/151,442.76 = 93,960.12/x
  3. Step 3: Cross multiply
    109,823.16x = 151,442.76 × 93,960.12
  4. Step 4: Simplify right side
    109,823.16x = 14,229,579,902.73
  5. Step 5: Solve for x
    x = 14,229,579,902.73/109,823.16
  6. Step 6: Final answer
    x = 129,568.12

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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.