Home / 140,326.46-193,650.70-79,897.13

Finding the Fourth Proportional to 140,326.46, 193,650.70 and 79,897.13

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Solution

The fourth proportional to 140,326.46, 193,650.70 and 79,897.13 is: 110,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,326.46 : 193,650.70 = 79,897.13 : x
  2. Step 2: Convert to fraction form
    140,326.46/193,650.70 = 79,897.13/x
  3. Step 3: Cross multiply
    140,326.46x = 193,650.70 × 79,897.13
  4. Step 4: Simplify right side
    140,326.46x = 15,472,133,984.49
  5. Step 5: Solve for x
    x = 15,472,133,984.49/140,326.46
  6. Step 6: Final answer
    x = 110,258.14

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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.