Home / 328,559.22-453,401.55-185,317.20

Finding the Fourth Proportional to 328,559.22, 453,401.55 and 185,317.20

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Solution

The fourth proportional to 328,559.22, 453,401.55 and 185,317.20 is: 255,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,559.22 : 453,401.55 = 185,317.20 : x
  2. Step 2: Convert to fraction form
    328,559.22/453,401.55 = 185,317.20/x
  3. Step 3: Cross multiply
    328,559.22x = 453,401.55 × 185,317.20
  4. Step 4: Simplify right side
    328,559.22x = 84,023,105,721.66
  5. Step 5: Solve for x
    x = 84,023,105,721.66/328,559.22
  6. Step 6: Final answer
    x = 255,732.00

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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.