Home / 229,171.02-343,258.29-140,155.26

Finding the Fourth Proportional to 229,171.02, 343,258.29 and 140,155.26

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Solution

The fourth proportional to 229,171.02, 343,258.29 and 140,155.26 is: 209,928.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,171.02 : 343,258.29 = 140,155.26 : x
  2. Step 2: Convert to fraction form
    229,171.02/343,258.29 = 140,155.26/x
  3. Step 3: Cross multiply
    229,171.02x = 343,258.29 × 140,155.26
  4. Step 4: Simplify right side
    229,171.02x = 48,109,454,882.11
  5. Step 5: Solve for x
    x = 48,109,454,882.11/229,171.02
  6. Step 6: Final answer
    x = 209,928.18

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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.