Home / 147,056.56-202,938.03-83,394.36

Finding the Fourth Proportional to 147,056.56, 202,938.03 and 83,394.36

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Solution

The fourth proportional to 147,056.56, 202,938.03 and 83,394.36 is: 115,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,056.56 : 202,938.03 = 83,394.36 : x
  2. Step 2: Convert to fraction form
    147,056.56/202,938.03 = 83,394.36/x
  3. Step 3: Cross multiply
    147,056.56x = 202,938.03 × 83,394.36
  4. Step 4: Simplify right side
    147,056.56x = 16,923,887,131.51
  5. Step 5: Solve for x
    x = 16,923,887,131.51/147,056.56
  6. Step 6: Final answer
    x = 115,084.20

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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.