Home / 207,864.90-286,851.78-112,370.76

Finding the Fourth Proportional to 207,864.90, 286,851.78 and 112,370.76

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Solution

The fourth proportional to 207,864.90, 286,851.78 and 112,370.76 is: 155,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,864.90 : 286,851.78 = 112,370.76 : x
  2. Step 2: Convert to fraction form
    207,864.90/286,851.78 = 112,370.76/x
  3. Step 3: Cross multiply
    207,864.90x = 286,851.78 × 112,370.76
  4. Step 4: Simplify right side
    207,864.90x = 32,233,752,525.95
  5. Step 5: Solve for x
    x = 32,233,752,525.95/207,864.90
  6. Step 6: Final answer
    x = 155,070.69

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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.