Home / 209,381.20-314,073.68-59,621.36

Finding the Fourth Proportional to 209,381.20, 314,073.68 and 59,621.36

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Solution

The fourth proportional to 209,381.20, 314,073.68 and 59,621.36 is: 89,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,381.20 : 314,073.68 = 59,621.36 : x
  2. Step 2: Convert to fraction form
    209,381.20/314,073.68 = 59,621.36/x
  3. Step 3: Cross multiply
    209,381.20x = 314,073.68 × 59,621.36
  4. Step 4: Simplify right side
    209,381.20x = 18,725,499,941.80
  5. Step 5: Solve for x
    x = 18,725,499,941.80/209,381.20
  6. Step 6: Final answer
    x = 89,432.58

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1.5x scale

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.