Home / 135,033.24-186,345.88-75,417.24

Finding the Fourth Proportional to 135,033.24, 186,345.88 and 75,417.24

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Solution

The fourth proportional to 135,033.24, 186,345.88 and 75,417.24 is: 104,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,033.24 : 186,345.88 = 75,417.24 : x
  2. Step 2: Convert to fraction form
    135,033.24/186,345.88 = 75,417.24/x
  3. Step 3: Cross multiply
    135,033.24x = 186,345.88 × 75,417.24
  4. Step 4: Simplify right side
    135,033.24x = 14,053,691,954.97
  5. Step 5: Solve for x
    x = 14,053,691,954.97/135,033.24
  6. Step 6: Final answer
    x = 104,075.80

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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.