Home / 191,729.10-287,593.65-168,401.10

Finding the Fourth Proportional to 191,729.10, 287,593.65 and 168,401.10

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Solution

The fourth proportional to 191,729.10, 287,593.65 and 168,401.10 is: 252,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,729.10 : 287,593.65 = 168,401.10 : x
  2. Step 2: Convert to fraction form
    191,729.10/287,593.65 = 168,401.10/x
  3. Step 3: Cross multiply
    191,729.10x = 287,593.65 × 168,401.10
  4. Step 4: Simplify right side
    191,729.10x = 48,431,087,013.02
  5. Step 5: Solve for x
    x = 48,431,087,013.02/191,729.10
  6. Step 6: Final answer
    x = 252,601.65

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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.