Home / 147,741.26-220,206.47-139,332.92

Finding the Fourth Proportional to 147,741.26, 220,206.47 and 139,332.92

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Solution

The fourth proportional to 147,741.26, 220,206.47 and 139,332.92 is: 207,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,741.26 : 220,206.47 = 139,332.92 : x
  2. Step 2: Convert to fraction form
    147,741.26/220,206.47 = 139,332.92/x
  3. Step 3: Cross multiply
    147,741.26x = 220,206.47 × 139,332.92
  4. Step 4: Simplify right side
    147,741.26x = 30,682,008,670.30
  5. Step 5: Solve for x
    x = 30,682,008,670.30/147,741.26
  6. Step 6: Final answer
    x = 207,673.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.