Home / 118,246.06-163,180.12-64,532.20

Finding the Fourth Proportional to 118,246.06, 163,180.12 and 64,532.20

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Solution

The fourth proportional to 118,246.06, 163,180.12 and 64,532.20 is: 89,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,246.06 : 163,180.12 = 64,532.20 : x
  2. Step 2: Convert to fraction form
    118,246.06/163,180.12 = 64,532.20/x
  3. Step 3: Cross multiply
    118,246.06x = 163,180.12 × 64,532.20
  4. Step 4: Simplify right side
    118,246.06x = 10,530,372,139.86
  5. Step 5: Solve for x
    x = 10,530,372,139.86/118,246.06
  6. Step 6: Final answer
    x = 89,054.74

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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.