Home / 147,294.52-203,266.70-83,632.33

Finding the Fourth Proportional to 147,294.52, 203,266.70 and 83,632.33

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Solution

The fourth proportional to 147,294.52, 203,266.70 and 83,632.33 is: 115,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,294.52 : 203,266.70 = 83,632.33 : x
  2. Step 2: Convert to fraction form
    147,294.52/203,266.70 = 83,632.33/x
  3. Step 3: Cross multiply
    147,294.52x = 203,266.70 × 83,632.33
  4. Step 4: Simplify right side
    147,294.52x = 16,999,667,881.95
  5. Step 5: Solve for x
    x = 16,999,667,881.95/147,294.52
  6. Step 6: Final answer
    x = 115,412.77

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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.