Home / 141,823.06-195,715.89-77,292.33

Finding the Fourth Proportional to 141,823.06, 195,715.89 and 77,292.33

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Solution

The fourth proportional to 141,823.06, 195,715.89 and 77,292.33 is: 106,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,823.06 : 195,715.89 = 77,292.33 : x
  2. Step 2: Convert to fraction form
    141,823.06/195,715.89 = 77,292.33/x
  3. Step 3: Cross multiply
    141,823.06x = 195,715.89 × 77,292.33
  4. Step 4: Simplify right side
    141,823.06x = 15,127,337,156.12
  5. Step 5: Solve for x
    x = 15,127,337,156.12/141,823.06
  6. Step 6: Final answer
    x = 106,663.45

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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.