Home / 487,961.94-731,971.62-188,444.10

Finding the Fourth Proportional to 487,961.94, 731,971.62 and 188,444.10

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Solution

The fourth proportional to 487,961.94, 731,971.62 and 188,444.10 is: 282,677.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,961.94 : 731,971.62 = 188,444.10 : x
  2. Step 2: Convert to fraction form
    487,961.94/731,971.62 = 188,444.10/x
  3. Step 3: Cross multiply
    487,961.94x = 731,971.62 × 188,444.10
  4. Step 4: Simplify right side
    487,961.94x = 137,935,733,156.44
  5. Step 5: Solve for x
    x = 137,935,733,156.44/487,961.94
  6. Step 6: Final answer
    x = 282,677.24

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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.