Home / 133,293.43-183,944.50-72,864.10

Finding the Fourth Proportional to 133,293.43, 183,944.50 and 72,864.10

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Solution

The fourth proportional to 133,293.43, 183,944.50 and 72,864.10 is: 100,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,293.43 : 183,944.50 = 72,864.10 : x
  2. Step 2: Convert to fraction form
    133,293.43/183,944.50 = 72,864.10/x
  3. Step 3: Cross multiply
    133,293.43x = 183,944.50 × 72,864.10
  4. Step 4: Simplify right side
    133,293.43x = 13,402,950,442.45
  5. Step 5: Solve for x
    x = 13,402,950,442.45/133,293.43
  6. Step 6: Final answer
    x = 100,552.22

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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.