Home / 132,936.15-183,454.07-72,506.79

Finding the Fourth Proportional to 132,936.15, 183,454.07 and 72,506.79

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Solution

The fourth proportional to 132,936.15, 183,454.07 and 72,506.79 is: 100,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,936.15 : 183,454.07 = 72,506.79 : x
  2. Step 2: Convert to fraction form
    132,936.15/183,454.07 = 72,506.79/x
  3. Step 3: Cross multiply
    132,936.15x = 183,454.07 × 72,506.79
  4. Step 4: Simplify right side
    132,936.15x = 13,301,666,005.50
  5. Step 5: Solve for x
    x = 13,301,666,005.50/132,936.15
  6. Step 6: Final answer
    x = 100,060.57

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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.