Home / 132,802.34-183,262.64-72,371.75

Finding the Fourth Proportional to 132,802.34, 183,262.64 and 72,371.75

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Solution

The fourth proportional to 132,802.34, 183,262.64 and 72,371.75 is: 99,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,802.34 : 183,262.64 = 72,371.75 : x
  2. Step 2: Convert to fraction form
    132,802.34/183,262.64 = 72,371.75/x
  3. Step 3: Cross multiply
    132,802.34x = 183,262.64 × 72,371.75
  4. Step 4: Simplify right side
    132,802.34x = 13,263,036,688.25
  5. Step 5: Solve for x
    x = 13,263,036,688.25/132,802.34
  6. Step 6: Final answer
    x = 99,870.51

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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.