Home / 134,901.70-186,165.85-74,472.37

Finding the Fourth Proportional to 134,901.70, 186,165.85 and 74,472.37

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Solution

The fourth proportional to 134,901.70, 186,165.85 and 74,472.37 is: 102,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,901.70 : 186,165.85 = 74,472.37 : x
  2. Step 2: Convert to fraction form
    134,901.70/186,165.85 = 74,472.37/x
  3. Step 3: Cross multiply
    134,901.70x = 186,165.85 × 74,472.37
  4. Step 4: Simplify right side
    134,901.70x = 13,864,211,690.20
  5. Step 5: Solve for x
    x = 13,864,211,690.20/134,901.70
  6. Step 6: Final answer
    x = 102,772.70

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1.5x scale

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.