Home / 116,599.20-160,907.58-65,612.78

Finding the Fourth Proportional to 116,599.20, 160,907.58 and 65,612.78

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Solution

The fourth proportional to 116,599.20, 160,907.58 and 65,612.78 is: 90,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,599.20 : 160,907.58 = 65,612.78 : x
  2. Step 2: Convert to fraction form
    116,599.20/160,907.58 = 65,612.78/x
  3. Step 3: Cross multiply
    116,599.20x = 160,907.58 × 65,612.78
  4. Step 4: Simplify right side
    116,599.20x = 10,557,593,445.74
  5. Step 5: Solve for x
    x = 10,557,593,445.74/116,599.20
  6. Step 6: Final answer
    x = 90,546.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.