Home / 256,296.98-353,686.15-140,009.04

Finding the Fourth Proportional to 256,296.98, 353,686.15 and 140,009.04

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Solution

The fourth proportional to 256,296.98, 353,686.15 and 140,009.04 is: 193,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,296.98 : 353,686.15 = 140,009.04 : x
  2. Step 2: Convert to fraction form
    256,296.98/353,686.15 = 140,009.04/x
  3. Step 3: Cross multiply
    256,296.98x = 353,686.15 × 140,009.04
  4. Step 4: Simplify right side
    256,296.98x = 49,519,257,972.77
  5. Step 5: Solve for x
    x = 49,519,257,972.77/256,296.98
  6. Step 6: Final answer
    x = 193,210.46

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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.