Home / 148,821.48-222,161.76-127,532.52

Finding the Fourth Proportional to 148,821.48, 222,161.76 and 127,532.52

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Solution

The fourth proportional to 148,821.48, 222,161.76 and 127,532.52 is: 190,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,821.48 : 222,161.76 = 127,532.52 : x
  2. Step 2: Convert to fraction form
    148,821.48/222,161.76 = 127,532.52/x
  3. Step 3: Cross multiply
    148,821.48x = 222,161.76 × 127,532.52
  4. Step 4: Simplify right side
    148,821.48x = 28,332,849,100.44
  5. Step 5: Solve for x
    x = 28,332,849,100.44/148,821.48
  6. Step 6: Final answer
    x = 190,381.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.