Home / 352,307.20-528,461.16-165,318.88

Finding the Fourth Proportional to 352,307.20, 528,461.16 and 165,318.88

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Solution

The fourth proportional to 352,307.20, 528,461.16 and 165,318.88 is: 247,978.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,307.20 : 528,461.16 = 165,318.88 : x
  2. Step 2: Convert to fraction form
    352,307.20/528,461.16 = 165,318.88/x
  3. Step 3: Cross multiply
    352,307.20x = 528,461.16 × 165,318.88
  4. Step 4: Simplify right side
    352,307.20x = 87,364,607,094.70
  5. Step 5: Solve for x
    x = 87,364,607,094.70/352,307.20
  6. Step 6: Final answer
    x = 247,978.49

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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.