Home / 256,980.13-354,626.95-140,693.36

Finding the Fourth Proportional to 256,980.13, 354,626.95 and 140,693.36

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Solution

The fourth proportional to 256,980.13, 354,626.95 and 140,693.36 is: 194,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,980.13 : 354,626.95 = 140,693.36 : x
  2. Step 2: Convert to fraction form
    256,980.13/354,626.95 = 140,693.36/x
  3. Step 3: Cross multiply
    256,980.13x = 354,626.95 × 140,693.36
  4. Step 4: Simplify right side
    256,980.13x = 49,893,655,083.14
  5. Step 5: Solve for x
    x = 49,893,655,083.14/256,980.13
  6. Step 6: Final answer
    x = 194,153.75

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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.