Home / 132,770.70-183,221.27-72,341.84

Finding the Fourth Proportional to 132,770.70, 183,221.27 and 72,341.84

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Solution

The fourth proportional to 132,770.70, 183,221.27 and 72,341.84 is: 99,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,770.70 : 183,221.27 = 72,341.84 : x
  2. Step 2: Convert to fraction form
    132,770.70/183,221.27 = 72,341.84/x
  3. Step 3: Cross multiply
    132,770.70x = 183,221.27 × 72,341.84
  4. Step 4: Simplify right side
    132,770.70x = 13,254,562,521.12
  5. Step 5: Solve for x
    x = 13,254,562,521.12/132,770.70
  6. Step 6: Final answer
    x = 99,830.48

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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.