Home / 144,630.36-216,945.54-49,887.70

Finding the Fourth Proportional to 144,630.36, 216,945.54 and 49,887.70

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Solution

The fourth proportional to 144,630.36, 216,945.54 and 49,887.70 is: 74,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,630.36 : 216,945.54 = 49,887.70 : x
  2. Step 2: Convert to fraction form
    144,630.36/216,945.54 = 49,887.70/x
  3. Step 3: Cross multiply
    144,630.36x = 216,945.54 × 49,887.70
  4. Step 4: Simplify right side
    144,630.36x = 10,822,913,473.49
  5. Step 5: Solve for x
    x = 10,822,913,473.49/144,630.36
  6. Step 6: Final answer
    x = 74,831.55

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1.5x scale

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.