Home / 352,865.28-529,297.08-153,159.76

Finding the Fourth Proportional to 352,865.28, 529,297.08 and 153,159.76

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Solution

The fourth proportional to 352,865.28, 529,297.08 and 153,159.76 is: 229,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,865.28 : 529,297.08 = 153,159.76 : x
  2. Step 2: Convert to fraction form
    352,865.28/529,297.08 = 153,159.76/x
  3. Step 3: Cross multiply
    352,865.28x = 529,297.08 × 153,159.76
  4. Step 4: Simplify right side
    352,865.28x = 81,067,013,741.50
  5. Step 5: Solve for x
    x = 81,067,013,741.50/352,865.28
  6. Step 6: Final answer
    x = 229,739.28

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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.