Home / 194,143.47-291,285.29-67,802.32

Finding the Fourth Proportional to 194,143.47, 291,285.29 and 67,802.32

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Solution

The fourth proportional to 194,143.47, 291,285.29 and 67,802.32 is: 101,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,143.47 : 291,285.29 = 67,802.32 : x
  2. Step 2: Convert to fraction form
    194,143.47/291,285.29 = 67,802.32/x
  3. Step 3: Cross multiply
    194,143.47x = 291,285.29 × 67,802.32
  4. Step 4: Simplify right side
    194,143.47x = 19,749,818,443.87
  5. Step 5: Solve for x
    x = 19,749,818,443.87/194,143.47
  6. Step 6: Final answer
    x = 101,727.96

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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.