Home / 147,014.24-202,941.66-99,332.12

Finding the Fourth Proportional to 147,014.24, 202,941.66 and 99,332.12

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Solution

The fourth proportional to 147,014.24, 202,941.66 and 99,332.12 is: 137,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,014.24 : 202,941.66 = 99,332.12 : x
  2. Step 2: Convert to fraction form
    147,014.24/202,941.66 = 99,332.12/x
  3. Step 3: Cross multiply
    147,014.24x = 202,941.66 × 99,332.12
  4. Step 4: Simplify right side
    147,014.24x = 20,158,625,324.12
  5. Step 5: Solve for x
    x = 20,158,625,324.12/147,014.24
  6. Step 6: Final answer
    x = 137,120.22

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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.