Home / 136,831.91-205,312.84-94,776.71

Finding the Fourth Proportional to 136,831.91, 205,312.84 and 94,776.71

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Solution

The fourth proportional to 136,831.91, 205,312.84 and 94,776.71 is: 142,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,831.91 : 205,312.84 = 94,776.71 : x
  2. Step 2: Convert to fraction form
    136,831.91/205,312.84 = 94,776.71/x
  3. Step 3: Cross multiply
    136,831.91x = 205,312.84 × 94,776.71
  4. Step 4: Simplify right side
    136,831.91x = 19,458,874,232.45
  5. Step 5: Solve for x
    x = 19,458,874,232.45/136,831.91
  6. Step 6: Final answer
    x = 142,210.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.