Home / 132,748.84-183,192.67-72,319.33

Finding the Fourth Proportional to 132,748.84, 183,192.67 and 72,319.33

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Solution

The fourth proportional to 132,748.84, 183,192.67 and 72,319.33 is: 99,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,748.84 : 183,192.67 = 72,319.33 : x
  2. Step 2: Convert to fraction form
    132,748.84/183,192.67 = 72,319.33/x
  3. Step 3: Cross multiply
    132,748.84x = 183,192.67 × 72,319.33
  4. Step 4: Simplify right side
    132,748.84x = 13,248,371,474.70
  5. Step 5: Solve for x
    x = 13,248,371,474.70/132,748.84
  6. Step 6: Final answer
    x = 99,800.28

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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.