Home / 191,944.20-287,549.10-103,168.20

Finding the Fourth Proportional to 191,944.20, 287,549.10 and 103,168.20

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Solution

The fourth proportional to 191,944.20, 287,549.10 and 103,168.20 is: 154,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,944.20 : 287,549.10 = 103,168.20 : x
  2. Step 2: Convert to fraction form
    191,944.20/287,549.10 = 103,168.20/x
  3. Step 3: Cross multiply
    191,944.20x = 287,549.10 × 103,168.20
  4. Step 4: Simplify right side
    191,944.20x = 29,665,923,058.62
  5. Step 5: Solve for x
    x = 29,665,923,058.62/191,944.20
  6. Step 6: Final answer
    x = 154,554.93

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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.