Home / 146,430.40-219,645.60-124,341.70

Finding the Fourth Proportional to 146,430.40, 219,645.60 and 124,341.70

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Solution

The fourth proportional to 146,430.40, 219,645.60 and 124,341.70 is: 186,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,430.40 : 219,645.60 = 124,341.70 : x
  2. Step 2: Convert to fraction form
    146,430.40/219,645.60 = 124,341.70/x
  3. Step 3: Cross multiply
    146,430.40x = 219,645.60 × 124,341.70
  4. Step 4: Simplify right side
    146,430.40x = 27,311,107,301.52
  5. Step 5: Solve for x
    x = 27,311,107,301.52/146,430.40
  6. Step 6: Final answer
    x = 186,512.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.