Home / 132,667.44-183,079.35-72,237.39

Finding the Fourth Proportional to 132,667.44, 183,079.35 and 72,237.39

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Solution

The fourth proportional to 132,667.44, 183,079.35 and 72,237.39 is: 99,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,667.44 : 183,079.35 = 72,237.39 : x
  2. Step 2: Convert to fraction form
    132,667.44/183,079.35 = 72,237.39/x
  3. Step 3: Cross multiply
    132,667.44x = 183,079.35 × 72,237.39
  4. Step 4: Simplify right side
    132,667.44x = 13,225,174,406.90
  5. Step 5: Solve for x
    x = 13,225,174,406.90/132,667.44
  6. Step 6: Final answer
    x = 99,686.66

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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.