Home / 224,621.60-309,975.44-122,646.74

Finding the Fourth Proportional to 224,621.60, 309,975.44 and 122,646.74

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Solution

The fourth proportional to 224,621.60, 309,975.44 and 122,646.74 is: 169,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,621.60 : 309,975.44 = 122,646.74 : x
  2. Step 2: Convert to fraction form
    224,621.60/309,975.44 = 122,646.74/x
  3. Step 3: Cross multiply
    224,621.60x = 309,975.44 × 122,646.74
  4. Step 4: Simplify right side
    224,621.60x = 38,017,475,032.95
  5. Step 5: Solve for x
    x = 38,017,475,032.95/224,621.60
  6. Step 6: Final answer
    x = 169,251.20

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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.