Home / 207,761.81-286,694.06-117,140.04

Finding the Fourth Proportional to 207,761.81, 286,694.06 and 117,140.04

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Solution

The fourth proportional to 207,761.81, 286,694.06 and 117,140.04 is: 161,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,761.81 : 286,694.06 = 117,140.04 : x
  2. Step 2: Convert to fraction form
    207,761.81/286,694.06 = 117,140.04/x
  3. Step 3: Cross multiply
    207,761.81x = 286,694.06 × 117,140.04
  4. Step 4: Simplify right side
    207,761.81x = 33,583,353,070.46
  5. Step 5: Solve for x
    x = 33,583,353,070.46/207,761.81
  6. Step 6: Final answer
    x = 161,643.54

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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.