Home / 352,931.66-487,035.87-191,781.35

Finding the Fourth Proportional to 352,931.66, 487,035.87 and 191,781.35

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Solution

The fourth proportional to 352,931.66, 487,035.87 and 191,781.35 is: 264,652.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,931.66 : 487,035.87 = 191,781.35 : x
  2. Step 2: Convert to fraction form
    352,931.66/487,035.87 = 191,781.35/x
  3. Step 3: Cross multiply
    352,931.66x = 487,035.87 × 191,781.35
  4. Step 4: Simplify right side
    352,931.66x = 93,404,395,319.05
  5. Step 5: Solve for x
    x = 93,404,395,319.05/352,931.66
  6. Step 6: Final answer
    x = 264,652.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.