Home / 122,402.88-183,470.40-52,323.84

Finding the Fourth Proportional to 122,402.88, 183,470.40 and 52,323.84

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Solution

The fourth proportional to 122,402.88, 183,470.40 and 52,323.84 is: 78,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,402.88 : 183,470.40 = 52,323.84 : x
  2. Step 2: Convert to fraction form
    122,402.88/183,470.40 = 52,323.84/x
  3. Step 3: Cross multiply
    122,402.88x = 183,470.40 × 52,323.84
  4. Step 4: Simplify right side
    122,402.88x = 9,599,875,854.34
  5. Step 5: Solve for x
    x = 9,599,875,854.34/122,402.88
  6. Step 6: Final answer
    x = 78,428.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.