Home / 134,685.98-185,874.51-74,269.50

Finding the Fourth Proportional to 134,685.98, 185,874.51 and 74,269.50

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Solution

The fourth proportional to 134,685.98, 185,874.51 and 74,269.50 is: 102,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,685.98 : 185,874.51 = 74,269.50 : x
  2. Step 2: Convert to fraction form
    134,685.98/185,874.51 = 74,269.50/x
  3. Step 3: Cross multiply
    134,685.98x = 185,874.51 × 74,269.50
  4. Step 4: Simplify right side
    134,685.98x = 13,804,806,920.45
  5. Step 5: Solve for x
    x = 13,804,806,920.45/134,685.98
  6. Step 6: Final answer
    x = 102,496.24

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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.