Home / 207,617.16-286,511.66-112,123.84

Finding the Fourth Proportional to 207,617.16, 286,511.66 and 112,123.84

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Solution

The fourth proportional to 207,617.16, 286,511.66 and 112,123.84 is: 154,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,617.16 : 286,511.66 = 112,123.84 : x
  2. Step 2: Convert to fraction form
    207,617.16/286,511.66 = 112,123.84/x
  3. Step 3: Cross multiply
    207,617.16x = 286,511.66 × 112,123.84
  4. Step 4: Simplify right side
    207,617.16x = 32,124,787,523.97
  5. Step 5: Solve for x
    x = 32,124,787,523.97/207,617.16
  6. Step 6: Final answer
    x = 154,730.89

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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.