Home / 104,131.47-143,701.19-58,807.25

Finding the Fourth Proportional to 104,131.47, 143,701.19 and 58,807.25

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Solution

The fourth proportional to 104,131.47, 143,701.19 and 58,807.25 is: 81,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,131.47 : 143,701.19 = 58,807.25 : x
  2. Step 2: Convert to fraction form
    104,131.47/143,701.19 = 58,807.25/x
  3. Step 3: Cross multiply
    104,131.47x = 143,701.19 × 58,807.25
  4. Step 4: Simplify right side
    104,131.47x = 8,450,671,552.49
  5. Step 5: Solve for x
    x = 8,450,671,552.49/104,131.47
  6. Step 6: Final answer
    x = 81,153.86

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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.