Home / 134,862.29-186,109.03-74,432.93

Finding the Fourth Proportional to 134,862.29, 186,109.03 and 74,432.93

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Solution

The fourth proportional to 134,862.29, 186,109.03 and 74,432.93 is: 102,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,862.29 : 186,109.03 = 74,432.93 : x
  2. Step 2: Convert to fraction form
    134,862.29/186,109.03 = 74,432.93/x
  3. Step 3: Cross multiply
    134,862.29x = 186,109.03 × 74,432.93
  4. Step 4: Simplify right side
    134,862.29x = 13,852,640,402.36
  5. Step 5: Solve for x
    x = 13,852,640,402.36/134,862.29
  6. Step 6: Final answer
    x = 102,716.93

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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.