Home / 134,840.03-186,009.75-83,833.42

Finding the Fourth Proportional to 134,840.03, 186,009.75 and 83,833.42

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Solution

The fourth proportional to 134,840.03, 186,009.75 and 83,833.42 is: 115,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,840.03 : 186,009.75 = 83,833.42 : x
  2. Step 2: Convert to fraction form
    134,840.03/186,009.75 = 83,833.42/x
  3. Step 3: Cross multiply
    134,840.03x = 186,009.75 × 83,833.42
  4. Step 4: Simplify right side
    134,840.03x = 15,593,833,705.43
  5. Step 5: Solve for x
    x = 15,593,833,705.43/134,840.03
  6. Step 6: Final answer
    x = 115,646.91

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1.5x scale

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.