Home / 352,926.81-487,038.62-191,781.47

Finding the Fourth Proportional to 352,926.81, 487,038.62 and 191,781.47

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Solution

The fourth proportional to 352,926.81, 487,038.62 and 191,781.47 is: 264,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,926.81 : 487,038.62 = 191,781.47 : x
  2. Step 2: Convert to fraction form
    352,926.81/487,038.62 = 191,781.47/x
  3. Step 3: Cross multiply
    352,926.81x = 487,038.62 × 191,781.47
  4. Step 4: Simplify right side
    352,926.81x = 93,404,982,490.37
  5. Step 5: Solve for x
    x = 93,404,982,490.37/352,926.81
  6. Step 6: Final answer
    x = 264,658.22

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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.