Home / 224,352.18-309,659.15-128,914.23

Finding the Fourth Proportional to 224,352.18, 309,659.15 and 128,914.23

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Solution

The fourth proportional to 224,352.18, 309,659.15 and 128,914.23 is: 177,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,352.18 : 309,659.15 = 128,914.23 : x
  2. Step 2: Convert to fraction form
    224,352.18/309,659.15 = 128,914.23/x
  3. Step 3: Cross multiply
    224,352.18x = 309,659.15 × 128,914.23
  4. Step 4: Simplify right side
    224,352.18x = 39,919,472,368.21
  5. Step 5: Solve for x
    x = 39,919,472,368.21/224,352.18
  6. Step 6: Final answer
    x = 177,932.18

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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.