Home / 140,129.39-193,319.60-97,712.53

Finding the Fourth Proportional to 140,129.39, 193,319.60 and 97,712.53

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Solution

The fourth proportional to 140,129.39, 193,319.60 and 97,712.53 is: 134,802.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,129.39 : 193,319.60 = 97,712.53 : x
  2. Step 2: Convert to fraction form
    140,129.39/193,319.60 = 97,712.53/x
  3. Step 3: Cross multiply
    140,129.39x = 193,319.60 × 97,712.53
  4. Step 4: Simplify right side
    140,129.39x = 18,889,746,242.73
  5. Step 5: Solve for x
    x = 18,889,746,242.73/140,129.39
  6. Step 6: Final answer
    x = 134,802.17

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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.