Home / 353,130.30-529,234.65-163,568.70

Finding the Fourth Proportional to 353,130.30, 529,234.65 and 163,568.70

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Solution

The fourth proportional to 353,130.30, 529,234.65 and 163,568.70 is: 245,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,130.30 : 529,234.65 = 163,568.70 : x
  2. Step 2: Convert to fraction form
    353,130.30/529,234.65 = 163,568.70/x
  3. Step 3: Cross multiply
    353,130.30x = 529,234.65 × 163,568.70
  4. Step 4: Simplify right side
    353,130.30x = 86,566,223,695.46
  5. Step 5: Solve for x
    x = 86,566,223,695.46/353,130.30
  6. Step 6: Final answer
    x = 245,139.61

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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.