Home / 270,113.45-372,755.03-149,254.76

Finding the Fourth Proportional to 270,113.45, 372,755.03 and 149,254.76

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Solution

The fourth proportional to 270,113.45, 372,755.03 and 149,254.76 is: 205,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,113.45 : 372,755.03 = 149,254.76 : x
  2. Step 2: Convert to fraction form
    270,113.45/372,755.03 = 149,254.76/x
  3. Step 3: Cross multiply
    270,113.45x = 372,755.03 × 149,254.76
  4. Step 4: Simplify right side
    270,113.45x = 55,635,459,931.39
  5. Step 5: Solve for x
    x = 55,635,459,931.39/270,113.45
  6. Step 6: Final answer
    x = 205,970.72

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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.