Home / 262,219.40-393,329.10-156,984.20

Finding the Fourth Proportional to 262,219.40, 393,329.10 and 156,984.20

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Solution

The fourth proportional to 262,219.40, 393,329.10 and 156,984.20 is: 235,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,219.40 : 393,329.10 = 156,984.20 : x
  2. Step 2: Convert to fraction form
    262,219.40/393,329.10 = 156,984.20/x
  3. Step 3: Cross multiply
    262,219.40x = 393,329.10 × 156,984.20
  4. Step 4: Simplify right side
    262,219.40x = 61,746,454,100.22
  5. Step 5: Solve for x
    x = 61,746,454,100.22/262,219.40
  6. Step 6: Final answer
    x = 235,476.30

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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.