Home / 202,044.14-278,822.80-111,403.35

Finding the Fourth Proportional to 202,044.14, 278,822.80 and 111,403.35

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Solution

The fourth proportional to 202,044.14, 278,822.80 and 111,403.35 is: 153,737.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,044.14 : 278,822.80 = 111,403.35 : x
  2. Step 2: Convert to fraction form
    202,044.14/278,822.80 = 111,403.35/x
  3. Step 3: Cross multiply
    202,044.14x = 278,822.80 × 111,403.35
  4. Step 4: Simplify right side
    202,044.14x = 31,061,794,394.93
  5. Step 5: Solve for x
    x = 31,061,794,394.93/202,044.14
  6. Step 6: Final answer
    x = 153,737.67

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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.