Home / 207,617.08-286,511.56-112,123.78

Finding the Fourth Proportional to 207,617.08, 286,511.56 and 112,123.78

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Solution

The fourth proportional to 207,617.08, 286,511.56 and 112,123.78 is: 154,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,617.08 : 286,511.56 = 112,123.78 : x
  2. Step 2: Convert to fraction form
    207,617.08/286,511.56 = 112,123.78/x
  3. Step 3: Cross multiply
    207,617.08x = 286,511.56 × 112,123.78
  4. Step 4: Simplify right side
    207,617.08x = 32,124,759,120.90
  5. Step 5: Solve for x
    x = 32,124,759,120.90/207,617.08
  6. Step 6: Final answer
    x = 154,730.81

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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.