Home / 147,774.14-203,928.54-84,111.95

Finding the Fourth Proportional to 147,774.14, 203,928.54 and 84,111.95

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Solution

The fourth proportional to 147,774.14, 203,928.54 and 84,111.95 is: 116,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,774.14 : 203,928.54 = 84,111.95 : x
  2. Step 2: Convert to fraction form
    147,774.14/203,928.54 = 84,111.95/x
  3. Step 3: Cross multiply
    147,774.14x = 203,928.54 × 84,111.95
  4. Step 4: Simplify right side
    147,774.14x = 17,152,826,140.41
  5. Step 5: Solve for x
    x = 17,152,826,140.41/147,774.14
  6. Step 6: Final answer
    x = 116,074.62

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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.