Home / 122,268.32-183,386.86-47,337.20

Finding the Fourth Proportional to 122,268.32, 183,386.86 and 47,337.20

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Solution

The fourth proportional to 122,268.32, 183,386.86 and 47,337.20 is: 70,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,268.32 : 183,386.86 = 47,337.20 : x
  2. Step 2: Convert to fraction form
    122,268.32/183,386.86 = 47,337.20/x
  3. Step 3: Cross multiply
    122,268.32x = 183,386.86 × 47,337.20
  4. Step 4: Simplify right side
    122,268.32x = 8,681,020,469.19
  5. Step 5: Solve for x
    x = 8,681,020,469.19/122,268.32
  6. Step 6: Final answer
    x = 70,999.75

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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.