Home / 132,802.29-183,261.81-72,371.63

Finding the Fourth Proportional to 132,802.29, 183,261.81 and 72,371.63

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Solution

The fourth proportional to 132,802.29, 183,261.81 and 72,371.63 is: 99,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,802.29 : 183,261.81 = 72,371.63 : x
  2. Step 2: Convert to fraction form
    132,802.29/183,261.81 = 72,371.63/x
  3. Step 3: Cross multiply
    132,802.29x = 183,261.81 × 72,371.63
  4. Step 4: Simplify right side
    132,802.29x = 13,262,954,990.14
  5. Step 5: Solve for x
    x = 13,262,954,990.14/132,802.29
  6. Step 6: Final answer
    x = 99,869.93

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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.