Home / 122,332.21-183,454.29-42,348.45

Finding the Fourth Proportional to 122,332.21, 183,454.29 and 42,348.45

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Solution

The fourth proportional to 122,332.21, 183,454.29 and 42,348.45 is: 63,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,332.21 : 183,454.29 = 42,348.45 : x
  2. Step 2: Convert to fraction form
    122,332.21/183,454.29 = 42,348.45/x
  3. Step 3: Cross multiply
    122,332.21x = 183,454.29 × 42,348.45
  4. Step 4: Simplify right side
    122,332.21x = 7,769,004,827.35
  5. Step 5: Solve for x
    x = 7,769,004,827.35/122,332.21
  6. Step 6: Final answer
    x = 63,507.43

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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.