Home / 189,943.83-284,398.65-133,699.59

Finding the Fourth Proportional to 189,943.83, 284,398.65 and 133,699.59

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Solution

The fourth proportional to 189,943.83, 284,398.65 and 133,699.59 is: 200,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,943.83 : 284,398.65 = 133,699.59 : x
  2. Step 2: Convert to fraction form
    189,943.83/284,398.65 = 133,699.59/x
  3. Step 3: Cross multiply
    189,943.83x = 284,398.65 × 133,699.59
  4. Step 4: Simplify right side
    189,943.83x = 38,023,982,901.55
  5. Step 5: Solve for x
    x = 38,023,982,901.55/189,943.83
  6. Step 6: Final answer
    x = 200,185.41

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1.5x scale

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.