Home / 318,363.65-439,339.38-175,120.55

Finding the Fourth Proportional to 318,363.65, 439,339.38 and 175,120.55

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Solution

The fourth proportional to 318,363.65, 439,339.38 and 175,120.55 is: 241,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,363.65 : 439,339.38 = 175,120.55 : x
  2. Step 2: Convert to fraction form
    318,363.65/439,339.38 = 175,120.55/x
  3. Step 3: Cross multiply
    318,363.65x = 439,339.38 × 175,120.55
  4. Step 4: Simplify right side
    318,363.65x = 76,937,353,862.26
  5. Step 5: Solve for x
    x = 76,937,353,862.26/318,363.65
  6. Step 6: Final answer
    x = 241,665.01

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1.5x scale

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.