Home / 192,451-265,587.18-107,582.20

Finding the Fourth Proportional to 192,451, 265,587.18 and 107,582.20

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Solution

The fourth proportional to 192,451, 265,587.18 and 107,582.20 is: 148,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,451 : 265,587.18 = 107,582.20 : x
  2. Step 2: Convert to fraction form
    192,451/265,587.18 = 107,582.20/x
  3. Step 3: Cross multiply
    192,451x = 265,587.18 × 107,582.20
  4. Step 4: Simplify right side
    192,451x = 28,572,453,116.20
  5. Step 5: Solve for x
    x = 28,572,453,116.20/192,451
  6. Step 6: Final answer
    x = 148,466.12

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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.