Home / 134,529.35-185,650.65-74,100.12

Finding the Fourth Proportional to 134,529.35, 185,650.65 and 74,100.12

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Solution

The fourth proportional to 134,529.35, 185,650.65 and 74,100.12 is: 102,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,529.35 : 185,650.65 = 74,100.12 : x
  2. Step 2: Convert to fraction form
    134,529.35/185,650.65 = 74,100.12/x
  3. Step 3: Cross multiply
    134,529.35x = 185,650.65 × 74,100.12
  4. Step 4: Simplify right side
    134,529.35x = 13,756,735,443.08
  5. Step 5: Solve for x
    x = 13,756,735,443.08/134,529.35
  6. Step 6: Final answer
    x = 102,258.25

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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.