Home / 134,877.57-186,131.06-74,448.22

Finding the Fourth Proportional to 134,877.57, 186,131.06 and 74,448.22

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Solution

The fourth proportional to 134,877.57, 186,131.06 and 74,448.22 is: 102,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,877.57 : 186,131.06 = 74,448.22 : x
  2. Step 2: Convert to fraction form
    134,877.57/186,131.06 = 74,448.22/x
  3. Step 3: Cross multiply
    134,877.57x = 186,131.06 × 74,448.22
  4. Step 4: Simplify right side
    134,877.57x = 13,857,126,103.71
  5. Step 5: Solve for x
    x = 13,857,126,103.71/134,877.57
  6. Step 6: Final answer
    x = 102,738.55

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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.