Home / 148,122.28-222,128.34-53,326.77

Finding the Fourth Proportional to 148,122.28, 222,128.34 and 53,326.77

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Solution

The fourth proportional to 148,122.28, 222,128.34 and 53,326.77 is: 79,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,122.28 : 222,128.34 = 53,326.77 : x
  2. Step 2: Convert to fraction form
    148,122.28/222,128.34 = 53,326.77/x
  3. Step 3: Cross multiply
    148,122.28x = 222,128.34 × 53,326.77
  4. Step 4: Simplify right side
    148,122.28x = 11,845,386,897.66
  5. Step 5: Solve for x
    x = 11,845,386,897.66/148,122.28
  6. Step 6: Final answer
    x = 79,970.33

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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.