Home / 207,789.24-286,749.18-112,295.76

Finding the Fourth Proportional to 207,789.24, 286,749.18 and 112,295.76

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Solution

The fourth proportional to 207,789.24, 286,749.18 and 112,295.76 is: 154,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,789.24 : 286,749.18 = 112,295.76 : x
  2. Step 2: Convert to fraction form
    207,789.24/286,749.18 = 112,295.76/x
  3. Step 3: Cross multiply
    207,789.24x = 286,749.18 × 112,295.76
  4. Step 4: Simplify right side
    207,789.24x = 32,200,717,097.48
  5. Step 5: Solve for x
    x = 32,200,717,097.48/207,789.24
  6. Step 6: Final answer
    x = 154,968.16

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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.