Home / 147,435.95-203,460.55-83,773.75

Finding the Fourth Proportional to 147,435.95, 203,460.55 and 83,773.75

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Solution

The fourth proportional to 147,435.95, 203,460.55 and 83,773.75 is: 115,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,435.95 : 203,460.55 = 83,773.75 : x
  2. Step 2: Convert to fraction form
    147,435.95/203,460.55 = 83,773.75/x
  3. Step 3: Cross multiply
    147,435.95x = 203,460.55 × 83,773.75
  4. Step 4: Simplify right side
    147,435.95x = 17,044,653,250.56
  5. Step 5: Solve for x
    x = 17,044,653,250.56/147,435.95
  6. Step 6: Final answer
    x = 115,607.17

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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.