Home / 170,403.17-255,605.34-52,074

Finding the Fourth Proportional to 170,403.17, 255,605.34 and 52,074

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Solution

The fourth proportional to 170,403.17, 255,605.34 and 52,074 is: 78,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,403.17 : 255,605.34 = 52,074 : x
  2. Step 2: Convert to fraction form
    170,403.17/255,605.34 = 52,074/x
  3. Step 3: Cross multiply
    170,403.17x = 255,605.34 × 52,074
  4. Step 4: Simplify right side
    170,403.17x = 13,310,392,475.16
  5. Step 5: Solve for x
    x = 13,310,392,475.16/170,403.17
  6. Step 6: Final answer
    x = 78,111.18

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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.