Home / 118,441.32-163,449.45-64,727.16

Finding the Fourth Proportional to 118,441.32, 163,449.45 and 64,727.16

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Solution

The fourth proportional to 118,441.32, 163,449.45 and 64,727.16 is: 89,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,441.32 : 163,449.45 = 64,727.16 : x
  2. Step 2: Convert to fraction form
    118,441.32/163,449.45 = 64,727.16/x
  3. Step 3: Cross multiply
    118,441.32x = 163,449.45 × 64,727.16
  4. Step 4: Simplify right side
    118,441.32x = 10,579,618,702.06
  5. Step 5: Solve for x
    x = 10,579,618,702.06/118,441.32
  6. Step 6: Final answer
    x = 89,323.71

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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.