Home / 144,130.44-198,799.98-98,812.48

Finding the Fourth Proportional to 144,130.44, 198,799.98 and 98,812.48

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Solution

The fourth proportional to 144,130.44, 198,799.98 and 98,812.48 is: 136,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,130.44 : 198,799.98 = 98,812.48 : x
  2. Step 2: Convert to fraction form
    144,130.44/198,799.98 = 98,812.48/x
  3. Step 3: Cross multiply
    144,130.44x = 198,799.98 × 98,812.48
  4. Step 4: Simplify right side
    144,130.44x = 19,643,919,047.75
  5. Step 5: Solve for x
    x = 19,643,919,047.75/144,130.44
  6. Step 6: Final answer
    x = 136,292.65

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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.