Home / 207,569.39-286,407.68-116,905.95

Finding the Fourth Proportional to 207,569.39, 286,407.68 and 116,905.95

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Solution

The fourth proportional to 207,569.39, 286,407.68 and 116,905.95 is: 161,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,569.39 : 286,407.68 = 116,905.95 : x
  2. Step 2: Convert to fraction form
    207,569.39/286,407.68 = 116,905.95/x
  3. Step 3: Cross multiply
    207,569.39x = 286,407.68 × 116,905.95
  4. Step 4: Simplify right side
    207,569.39x = 33,482,761,333.17
  5. Step 5: Solve for x
    x = 33,482,761,333.17/207,569.39
  6. Step 6: Final answer
    x = 161,308.77

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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.