Home / 288,933.30-398,637.45-168,048.90

Finding the Fourth Proportional to 288,933.30, 398,637.45 and 168,048.90

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Solution

The fourth proportional to 288,933.30, 398,637.45 and 168,048.90 is: 231,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,933.30 : 398,637.45 = 168,048.90 : x
  2. Step 2: Convert to fraction form
    288,933.30/398,637.45 = 168,048.90/x
  3. Step 3: Cross multiply
    288,933.30x = 398,637.45 × 168,048.90
  4. Step 4: Simplify right side
    288,933.30x = 66,990,584,971.31
  5. Step 5: Solve for x
    x = 66,990,584,971.31/288,933.30
  6. Step 6: Final answer
    x = 231,854.84

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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.