Home / 224,618.10-309,970.61-122,643.24

Finding the Fourth Proportional to 224,618.10, 309,970.61 and 122,643.24

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Solution

The fourth proportional to 224,618.10, 309,970.61 and 122,643.24 is: 169,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,618.10 : 309,970.61 = 122,643.24 : x
  2. Step 2: Convert to fraction form
    224,618.10/309,970.61 = 122,643.24/x
  3. Step 3: Cross multiply
    224,618.10x = 309,970.61 × 122,643.24
  4. Step 4: Simplify right side
    224,618.10x = 38,015,799,915.18
  5. Step 5: Solve for x
    x = 38,015,799,915.18/224,618.10
  6. Step 6: Final answer
    x = 169,246.38

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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.