Home / 132,852.83-183,332.63-72,422.51

Finding the Fourth Proportional to 132,852.83, 183,332.63 and 72,422.51

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Solution

The fourth proportional to 132,852.83, 183,332.63 and 72,422.51 is: 99,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,852.83 : 183,332.63 = 72,422.51 : x
  2. Step 2: Convert to fraction form
    132,852.83/183,332.63 = 72,422.51/x
  3. Step 3: Cross multiply
    132,852.83x = 183,332.63 × 72,422.51
  4. Step 4: Simplify right side
    132,852.83x = 13,277,408,493.89
  5. Step 5: Solve for x
    x = 13,277,408,493.89/132,852.83
  6. Step 6: Final answer
    x = 99,940.73

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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.