Home / 116,507.32-160,777.83-65,520.70

Finding the Fourth Proportional to 116,507.32, 160,777.83 and 65,520.70

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Solution

The fourth proportional to 116,507.32, 160,777.83 and 65,520.70 is: 90,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,507.32 : 160,777.83 = 65,520.70 : x
  2. Step 2: Convert to fraction form
    116,507.32/160,777.83 = 65,520.70/x
  3. Step 3: Cross multiply
    116,507.32x = 160,777.83 × 65,520.70
  4. Step 4: Simplify right side
    116,507.32x = 10,534,275,966.08
  5. Step 5: Solve for x
    x = 10,534,275,966.08/116,507.32
  6. Step 6: Final answer
    x = 90,417.29

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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.