Home / 115,412.85-173,058.98-52,202.78

Finding the Fourth Proportional to 115,412.85, 173,058.98 and 52,202.78

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Solution

The fourth proportional to 115,412.85, 173,058.98 and 52,202.78 is: 78,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,412.85 : 173,058.98 = 52,202.78 : x
  2. Step 2: Convert to fraction form
    115,412.85/173,058.98 = 52,202.78/x
  3. Step 3: Cross multiply
    115,412.85x = 173,058.98 × 52,202.78
  4. Step 4: Simplify right side
    115,412.85x = 9,034,159,859.96
  5. Step 5: Solve for x
    x = 9,034,159,859.96/115,412.85
  6. Step 6: Final answer
    x = 78,276.90

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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.