Home / 370,309.42-555,407.38-117,556.92

Finding the Fourth Proportional to 370,309.42, 555,407.38 and 117,556.92

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Solution

The fourth proportional to 370,309.42, 555,407.38 and 117,556.92 is: 176,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,309.42 : 555,407.38 = 117,556.92 : x
  2. Step 2: Convert to fraction form
    370,309.42/555,407.38 = 117,556.92/x
  3. Step 3: Cross multiply
    370,309.42x = 555,407.38 × 117,556.92
  4. Step 4: Simplify right side
    370,309.42x = 65,291,981,085.02
  5. Step 5: Solve for x
    x = 65,291,981,085.02/370,309.42
  6. Step 6: Final answer
    x = 176,317.36

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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.