Home / 217,269.77-299,831.33-121,776.46

Finding the Fourth Proportional to 217,269.77, 299,831.33 and 121,776.46

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Solution

The fourth proportional to 217,269.77, 299,831.33 and 121,776.46 is: 168,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,269.77 : 299,831.33 = 121,776.46 : x
  2. Step 2: Convert to fraction form
    217,269.77/299,831.33 = 121,776.46/x
  3. Step 3: Cross multiply
    217,269.77x = 299,831.33 × 121,776.46
  4. Step 4: Simplify right side
    217,269.77x = 36,512,397,519.35
  5. Step 5: Solve for x
    x = 36,512,397,519.35/217,269.77
  6. Step 6: Final answer
    x = 168,050.98

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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.