Home / 402,731.12-604,193.88-122,231.36

Finding the Fourth Proportional to 402,731.12, 604,193.88 and 122,231.36

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Solution

The fourth proportional to 402,731.12, 604,193.88 and 122,231.36 is: 183,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,731.12 : 604,193.88 = 122,231.36 : x
  2. Step 2: Convert to fraction form
    402,731.12/604,193.88 = 122,231.36/x
  3. Step 3: Cross multiply
    402,731.12x = 604,193.88 × 122,231.36
  4. Step 4: Simplify right side
    402,731.12x = 73,851,439,656.08
  5. Step 5: Solve for x
    x = 73,851,439,656.08/402,731.12
  6. Step 6: Final answer
    x = 183,376.54

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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.