Home / 122,178.19-183,209.77-47,333.38

Finding the Fourth Proportional to 122,178.19, 183,209.77 and 47,333.38

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Solution

The fourth proportional to 122,178.19, 183,209.77 and 47,333.38 is: 70,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,178.19 : 183,209.77 = 47,333.38 : x
  2. Step 2: Convert to fraction form
    122,178.19/183,209.77 = 47,333.38/x
  3. Step 3: Cross multiply
    122,178.19x = 183,209.77 × 47,333.38
  4. Step 4: Simplify right side
    122,178.19x = 8,671,937,426.46
  5. Step 5: Solve for x
    x = 8,671,937,426.46/122,178.19
  6. Step 6: Final answer
    x = 70,977.79

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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.