Home / 147,399.95-203,412.62-83,741.24

Finding the Fourth Proportional to 147,399.95, 203,412.62 and 83,741.24

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Solution

The fourth proportional to 147,399.95, 203,412.62 and 83,741.24 is: 115,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,399.95 : 203,412.62 = 83,741.24 : x
  2. Step 2: Convert to fraction form
    147,399.95/203,412.62 = 83,741.24/x
  3. Step 3: Cross multiply
    147,399.95x = 203,412.62 × 83,741.24
  4. Step 4: Simplify right side
    147,399.95x = 17,034,025,030.45
  5. Step 5: Solve for x
    x = 17,034,025,030.45/147,399.95
  6. Step 6: Final answer
    x = 115,563.30

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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.