Home / 132,347.48-198,409.60-57,411.17

Finding the Fourth Proportional to 132,347.48, 198,409.60 and 57,411.17

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Solution

The fourth proportional to 132,347.48, 198,409.60 and 57,411.17 is: 86,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,347.48 : 198,409.60 = 57,411.17 : x
  2. Step 2: Convert to fraction form
    132,347.48/198,409.60 = 57,411.17/x
  3. Step 3: Cross multiply
    132,347.48x = 198,409.60 × 57,411.17
  4. Step 4: Simplify right side
    132,347.48x = 11,390,926,635.68
  5. Step 5: Solve for x
    x = 11,390,926,635.68/132,347.48
  6. Step 6: Final answer
    x = 86,068.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.