Home / 147,360.66-203,342.85-83,686.02

Finding the Fourth Proportional to 147,360.66, 203,342.85 and 83,686.02

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Solution

The fourth proportional to 147,360.66, 203,342.85 and 83,686.02 is: 115,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,360.66 : 203,342.85 = 83,686.02 : x
  2. Step 2: Convert to fraction form
    147,360.66/203,342.85 = 83,686.02/x
  3. Step 3: Cross multiply
    147,360.66x = 203,342.85 × 83,686.02
  4. Step 4: Simplify right side
    147,360.66x = 17,016,953,811.96
  5. Step 5: Solve for x
    x = 17,016,953,811.96/147,360.66
  6. Step 6: Final answer
    x = 115,478.27

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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.