Home / 326,134.08-490,134.24-160,038.72

Finding the Fourth Proportional to 326,134.08, 490,134.24 and 160,038.72

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Solution

The fourth proportional to 326,134.08, 490,134.24 and 160,038.72 is: 240,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,134.08 : 490,134.24 = 160,038.72 : x
  2. Step 2: Convert to fraction form
    326,134.08/490,134.24 = 160,038.72/x
  3. Step 3: Cross multiply
    326,134.08x = 490,134.24 × 160,038.72
  4. Step 4: Simplify right side
    326,134.08x = 78,440,456,397.77
  5. Step 5: Solve for x
    x = 78,440,456,397.77/326,134.08
  6. Step 6: Final answer
    x = 240,515.98

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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.