Home / 207,613.46-286,506.56-112,120.16

Finding the Fourth Proportional to 207,613.46, 286,506.56 and 112,120.16

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Solution

The fourth proportional to 207,613.46, 286,506.56 and 112,120.16 is: 154,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,613.46 : 286,506.56 = 112,120.16 : x
  2. Step 2: Convert to fraction form
    207,613.46/286,506.56 = 112,120.16/x
  3. Step 3: Cross multiply
    207,613.46x = 286,506.56 × 112,120.16
  4. Step 4: Simplify right side
    207,613.46x = 32,123,161,348.25
  5. Step 5: Solve for x
    x = 32,123,161,348.25/207,613.46
  6. Step 6: Final answer
    x = 154,725.81

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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.