Home / 147,314.16-203,283.96-86,870.94

Finding the Fourth Proportional to 147,314.16, 203,283.96 and 86,870.94

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Solution

The fourth proportional to 147,314.16, 203,283.96 and 86,870.94 is: 119,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,314.16 : 203,283.96 = 86,870.94 : x
  2. Step 2: Convert to fraction form
    147,314.16/203,283.96 = 86,870.94/x
  3. Step 3: Cross multiply
    147,314.16x = 203,283.96 × 86,870.94
  4. Step 4: Simplify right side
    147,314.16x = 17,659,468,692.12
  5. Step 5: Solve for x
    x = 17,659,468,692.12/147,314.16
  6. Step 6: Final answer
    x = 119,876.25

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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.