Home / 452,690.04-679,140.09-132,829.05

Finding the Fourth Proportional to 452,690.04, 679,140.09 and 132,829.05

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Solution

The fourth proportional to 452,690.04, 679,140.09 and 132,829.05 is: 199,274.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,690.04 : 679,140.09 = 132,829.05 : x
  2. Step 2: Convert to fraction form
    452,690.04/679,140.09 = 132,829.05/x
  3. Step 3: Cross multiply
    452,690.04x = 679,140.09 × 132,829.05
  4. Step 4: Simplify right side
    452,690.04x = 90,209,532,971.61
  5. Step 5: Solve for x
    x = 90,209,532,971.61/452,690.04
  6. Step 6: Final answer
    x = 199,274.39

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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.