Home / 318,543.04-439,579.80-175,302.88

Finding the Fourth Proportional to 318,543.04, 439,579.80 and 175,302.88

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Solution

The fourth proportional to 318,543.04, 439,579.80 and 175,302.88 is: 241,912.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,543.04 : 439,579.80 = 175,302.88 : x
  2. Step 2: Convert to fraction form
    318,543.04/439,579.80 = 175,302.88/x
  3. Step 3: Cross multiply
    318,543.04x = 439,579.80 × 175,302.88
  4. Step 4: Simplify right side
    318,543.04x = 77,059,604,929.82
  5. Step 5: Solve for x
    x = 77,059,604,929.82/318,543.04
  6. Step 6: Final answer
    x = 241,912.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.