Home / 115,592.40-173,647.80-80,600.40

Finding the Fourth Proportional to 115,592.40, 173,647.80 and 80,600.40

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Solution

The fourth proportional to 115,592.40, 173,647.80 and 80,600.40 is: 121,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,592.40 : 173,647.80 = 80,600.40 : x
  2. Step 2: Convert to fraction form
    115,592.40/173,647.80 = 80,600.40/x
  3. Step 3: Cross multiply
    115,592.40x = 173,647.80 × 80,600.40
  4. Step 4: Simplify right side
    115,592.40x = 13,996,082,139.12
  5. Step 5: Solve for x
    x = 13,996,082,139.12/115,592.40
  6. Step 6: Final answer
    x = 121,081.34

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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.