Home / 144,277.61-198,999.83-101,266.70

Finding the Fourth Proportional to 144,277.61, 198,999.83 and 101,266.70

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Solution

The fourth proportional to 144,277.61, 198,999.83 and 101,266.70 is: 139,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,277.61 : 198,999.83 = 101,266.70 : x
  2. Step 2: Convert to fraction form
    144,277.61/198,999.83 = 101,266.70/x
  3. Step 3: Cross multiply
    144,277.61x = 198,999.83 × 101,266.70
  4. Step 4: Simplify right side
    144,277.61x = 20,152,055,342.83
  5. Step 5: Solve for x
    x = 20,152,055,342.83/144,277.61
  6. Step 6: Final answer
    x = 139,675.56

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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.