Home / 144,317.57-199,029.29-90,607.59

Finding the Fourth Proportional to 144,317.57, 199,029.29 and 90,607.59

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Solution

The fourth proportional to 144,317.57, 199,029.29 and 90,607.59 is: 124,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,317.57 : 199,029.29 = 90,607.59 : x
  2. Step 2: Convert to fraction form
    144,317.57/199,029.29 = 90,607.59/x
  3. Step 3: Cross multiply
    144,317.57x = 199,029.29 × 90,607.59
  4. Step 4: Simplify right side
    144,317.57x = 18,033,563,853.27
  5. Step 5: Solve for x
    x = 18,033,563,853.27/144,317.57
  6. Step 6: Final answer
    x = 124,957.51

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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.