Home / 115,666.20-173,240.10-60,197.40

Finding the Fourth Proportional to 115,666.20, 173,240.10 and 60,197.40

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Solution

The fourth proportional to 115,666.20, 173,240.10 and 60,197.40 is: 90,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,666.20 : 173,240.10 = 60,197.40 : x
  2. Step 2: Convert to fraction form
    115,666.20/173,240.10 = 60,197.40/x
  3. Step 3: Cross multiply
    115,666.20x = 173,240.10 × 60,197.40
  4. Step 4: Simplify right side
    115,666.20x = 10,428,603,595.74
  5. Step 5: Solve for x
    x = 10,428,603,595.74/115,666.20
  6. Step 6: Final answer
    x = 90,161.20

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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.