Home / 207,750.58-286,695.96-112,257.28

Finding the Fourth Proportional to 207,750.58, 286,695.96 and 112,257.28

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Solution

The fourth proportional to 207,750.58, 286,695.96 and 112,257.28 is: 154,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,750.58 : 286,695.96 = 112,257.28 : x
  2. Step 2: Convert to fraction form
    207,750.58/286,695.96 = 112,257.28/x
  3. Step 3: Cross multiply
    207,750.58x = 286,695.96 × 112,257.28
  4. Step 4: Simplify right side
    207,750.58x = 32,183,708,656.59
  5. Step 5: Solve for x
    x = 32,183,708,656.59/207,750.58
  6. Step 6: Final answer
    x = 154,915.13

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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.