Home / 256,598.18-354,091.21-141,870.19

Finding the Fourth Proportional to 256,598.18, 354,091.21 and 141,870.19

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Solution

The fourth proportional to 256,598.18, 354,091.21 and 141,870.19 is: 195,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,598.18 : 354,091.21 = 141,870.19 : x
  2. Step 2: Convert to fraction form
    256,598.18/354,091.21 = 141,870.19/x
  3. Step 3: Cross multiply
    256,598.18x = 354,091.21 × 141,870.19
  4. Step 4: Simplify right side
    256,598.18x = 50,234,987,240.03
  5. Step 5: Solve for x
    x = 50,234,987,240.03/256,598.18
  6. Step 6: Final answer
    x = 195,772.97

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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.