Home / 132,877.29-183,371.54-72,448.95

Finding the Fourth Proportional to 132,877.29, 183,371.54 and 72,448.95

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Solution

The fourth proportional to 132,877.29, 183,371.54 and 72,448.95 is: 99,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,877.29 : 183,371.54 = 72,448.95 : x
  2. Step 2: Convert to fraction form
    132,877.29/183,371.54 = 72,448.95/x
  3. Step 3: Cross multiply
    132,877.29x = 183,371.54 × 72,448.95
  4. Step 4: Simplify right side
    132,877.29x = 13,285,075,336.22
  5. Step 5: Solve for x
    x = 13,285,075,336.22/132,877.29
  6. Step 6: Final answer
    x = 99,980.03

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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.