Home / 258,949.47-357,344.77-144,227.76

Finding the Fourth Proportional to 258,949.47, 357,344.77 and 144,227.76

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Solution

The fourth proportional to 258,949.47, 357,344.77 and 144,227.76 is: 199,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,949.47 : 357,344.77 = 144,227.76 : x
  2. Step 2: Convert to fraction form
    258,949.47/357,344.77 = 144,227.76/x
  3. Step 3: Cross multiply
    258,949.47x = 357,344.77 × 144,227.76
  4. Step 4: Simplify right side
    258,949.47x = 51,539,035,261.36
  5. Step 5: Solve for x
    x = 51,539,035,261.36/258,949.47
  6. Step 6: Final answer
    x = 199,031.24

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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.