Home / 143,269.68-197,831.52-119,520.84

Finding the Fourth Proportional to 143,269.68, 197,831.52 and 119,520.84

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Solution

The fourth proportional to 143,269.68, 197,831.52 and 119,520.84 is: 165,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,269.68 : 197,831.52 = 119,520.84 : x
  2. Step 2: Convert to fraction form
    143,269.68/197,831.52 = 119,520.84/x
  3. Step 3: Cross multiply
    143,269.68x = 197,831.52 × 119,520.84
  4. Step 4: Simplify right side
    143,269.68x = 23,644,989,448.88
  5. Step 5: Solve for x
    x = 23,644,989,448.88/143,269.68
  6. Step 6: Final answer
    x = 165,038.34

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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.