Home / 122,167.28-183,216.80-43,260.32

Finding the Fourth Proportional to 122,167.28, 183,216.80 and 43,260.32

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Solution

The fourth proportional to 122,167.28, 183,216.80 and 43,260.32 is: 64,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,167.28 : 183,216.80 = 43,260.32 : x
  2. Step 2: Convert to fraction form
    122,167.28/183,216.80 = 43,260.32/x
  3. Step 3: Cross multiply
    122,167.28x = 183,216.80 × 43,260.32
  4. Step 4: Simplify right side
    122,167.28x = 7,926,017,397.38
  5. Step 5: Solve for x
    x = 7,926,017,397.38/122,167.28
  6. Step 6: Final answer
    x = 64,878.40

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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.