Home / 134,747.60-202,121.40-64,590.80

Finding the Fourth Proportional to 134,747.60, 202,121.40 and 64,590.80

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Solution

The fourth proportional to 134,747.60, 202,121.40 and 64,590.80 is: 96,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,747.60 : 202,121.40 = 64,590.80 : x
  2. Step 2: Convert to fraction form
    134,747.60/202,121.40 = 64,590.80/x
  3. Step 3: Cross multiply
    134,747.60x = 202,121.40 × 64,590.80
  4. Step 4: Simplify right side
    134,747.60x = 13,055,182,923.12
  5. Step 5: Solve for x
    x = 13,055,182,923.12/134,747.60
  6. Step 6: Final answer
    x = 96,886.20

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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.