Home / 185,147.07-255,430.62-107,609.83

Finding the Fourth Proportional to 185,147.07, 255,430.62 and 107,609.83

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Solution

The fourth proportional to 185,147.07, 255,430.62 and 107,609.83 is: 148,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,147.07 : 255,430.62 = 107,609.83 : x
  2. Step 2: Convert to fraction form
    185,147.07/255,430.62 = 107,609.83/x
  3. Step 3: Cross multiply
    185,147.07x = 255,430.62 × 107,609.83
  4. Step 4: Simplify right side
    185,147.07x = 27,486,845,594.99
  5. Step 5: Solve for x
    x = 27,486,845,594.99/185,147.07
  6. Step 6: Final answer
    x = 148,459.52

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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.