Home / 108,613.32-149,880.16-63,298.68

Finding the Fourth Proportional to 108,613.32, 149,880.16 and 63,298.68

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Solution

The fourth proportional to 108,613.32, 149,880.16 and 63,298.68 is: 87,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,613.32 : 149,880.16 = 63,298.68 : x
  2. Step 2: Convert to fraction form
    108,613.32/149,880.16 = 63,298.68/x
  3. Step 3: Cross multiply
    108,613.32x = 149,880.16 × 63,298.68
  4. Step 4: Simplify right side
    108,613.32x = 9,487,216,286.19
  5. Step 5: Solve for x
    x = 9,487,216,286.19/108,613.32
  6. Step 6: Final answer
    x = 87,348.55

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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.