Home / 256,739.65-354,273.45-142,000.06

Finding the Fourth Proportional to 256,739.65, 354,273.45 and 142,000.06

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Solution

The fourth proportional to 256,739.65, 354,273.45 and 142,000.06 is: 195,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,739.65 : 354,273.45 = 142,000.06 : x
  2. Step 2: Convert to fraction form
    256,739.65/354,273.45 = 142,000.06/x
  3. Step 3: Cross multiply
    256,739.65x = 354,273.45 × 142,000.06
  4. Step 4: Simplify right side
    256,739.65x = 50,306,851,156.41
  5. Step 5: Solve for x
    x = 50,306,851,156.41/256,739.65
  6. Step 6: Final answer
    x = 195,945.00

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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.