Home / 256,592.17-354,088.29-140,308.37

Finding the Fourth Proportional to 256,592.17, 354,088.29 and 140,308.37

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Solution

The fourth proportional to 256,592.17, 354,088.29 and 140,308.37 is: 193,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,592.17 : 354,088.29 = 140,308.37 : x
  2. Step 2: Convert to fraction form
    256,592.17/354,088.29 = 140,308.37/x
  3. Step 3: Cross multiply
    256,592.17x = 354,088.29 × 140,308.37
  4. Step 4: Simplify right side
    256,592.17x = 49,681,550,889.53
  5. Step 5: Solve for x
    x = 49,681,550,889.53/256,592.17
  6. Step 6: Final answer
    x = 193,620.68

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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.