Home / 111,210.42-153,481.36-63,470.90

Finding the Fourth Proportional to 111,210.42, 153,481.36 and 63,470.90

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Solution

The fourth proportional to 111,210.42, 153,481.36 and 63,470.90 is: 87,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,210.42 : 153,481.36 = 63,470.90 : x
  2. Step 2: Convert to fraction form
    111,210.42/153,481.36 = 63,470.90/x
  3. Step 3: Cross multiply
    111,210.42x = 153,481.36 × 63,470.90
  4. Step 4: Simplify right side
    111,210.42x = 9,741,600,052.42
  5. Step 5: Solve for x
    x = 9,741,600,052.42/111,210.42
  6. Step 6: Final answer
    x = 87,596.11

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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.