Home / 231,480.02-319,581.78-151,047.02

Finding the Fourth Proportional to 231,480.02, 319,581.78 and 151,047.02

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Solution

The fourth proportional to 231,480.02, 319,581.78 and 151,047.02 is: 208,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,480.02 : 319,581.78 = 151,047.02 : x
  2. Step 2: Convert to fraction form
    231,480.02/319,581.78 = 151,047.02/x
  3. Step 3: Cross multiply
    231,480.02x = 319,581.78 × 151,047.02
  4. Step 4: Simplify right side
    231,480.02x = 48,271,875,515.30
  5. Step 5: Solve for x
    x = 48,271,875,515.30/231,480.02
  6. Step 6: Final answer
    x = 208,535.82

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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.