Home / 134,502.39-185,614.70-74,074.23

Finding the Fourth Proportional to 134,502.39, 185,614.70 and 74,074.23

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Solution

The fourth proportional to 134,502.39, 185,614.70 and 74,074.23 is: 102,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,502.39 : 185,614.70 = 74,074.23 : x
  2. Step 2: Convert to fraction form
    134,502.39/185,614.70 = 74,074.23/x
  3. Step 3: Cross multiply
    134,502.39x = 185,614.70 × 74,074.23
  4. Step 4: Simplify right side
    134,502.39x = 13,749,265,608.81
  5. Step 5: Solve for x
    x = 13,749,265,608.81/134,502.39
  6. Step 6: Final answer
    x = 102,223.21

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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.