Home / 352,931.62-529,353.65-208,923.13

Finding the Fourth Proportional to 352,931.62, 529,353.65 and 208,923.13

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Solution

The fourth proportional to 352,931.62, 529,353.65 and 208,923.13 is: 313,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,931.62 : 529,353.65 = 208,923.13 : x
  2. Step 2: Convert to fraction form
    352,931.62/529,353.65 = 208,923.13/x
  3. Step 3: Cross multiply
    352,931.62x = 529,353.65 × 208,923.13
  4. Step 4: Simplify right side
    352,931.62x = 110,594,221,434.93
  5. Step 5: Solve for x
    x = 110,594,221,434.93/352,931.62
  6. Step 6: Final answer
    x = 313,358.78

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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.