Home / 97,308.32-144,995.18-86,696.82

Finding the Fourth Proportional to 97,308.32, 144,995.18 and 86,696.82

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Solution

The fourth proportional to 97,308.32, 144,995.18 and 86,696.82 is: 129,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,308.32 : 144,995.18 = 86,696.82 : x
  2. Step 2: Convert to fraction form
    97,308.32/144,995.18 = 86,696.82/x
  3. Step 3: Cross multiply
    97,308.32x = 144,995.18 × 86,696.82
  4. Step 4: Simplify right side
    97,308.32x = 12,570,620,587.84
  5. Step 5: Solve for x
    x = 12,570,620,587.84/97,308.32
  6. Step 6: Final answer
    x = 129,183.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.