Home / 225,018.03-310,584.48-140,084.67

Finding the Fourth Proportional to 225,018.03, 310,584.48 and 140,084.67

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Solution

The fourth proportional to 225,018.03, 310,584.48 and 140,084.67 is: 193,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,018.03 : 310,584.48 = 140,084.67 : x
  2. Step 2: Convert to fraction form
    225,018.03/310,584.48 = 140,084.67/x
  3. Step 3: Cross multiply
    225,018.03x = 310,584.48 × 140,084.67
  4. Step 4: Simplify right side
    225,018.03x = 43,508,124,387.92
  5. Step 5: Solve for x
    x = 43,508,124,387.92/225,018.03
  6. Step 6: Final answer
    x = 193,353.95

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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.