Home / 114,955.20-171,417.60-100,972.44

Finding the Fourth Proportional to 114,955.20, 171,417.60 and 100,972.44

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Solution

The fourth proportional to 114,955.20, 171,417.60 and 100,972.44 is: 150,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,955.20 : 171,417.60 = 100,972.44 : x
  2. Step 2: Convert to fraction form
    114,955.20/171,417.60 = 100,972.44/x
  3. Step 3: Cross multiply
    114,955.20x = 171,417.60 × 100,972.44
  4. Step 4: Simplify right side
    114,955.20x = 17,308,453,330.94
  5. Step 5: Solve for x
    x = 17,308,453,330.94/114,955.20
  6. Step 6: Final answer
    x = 150,566.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.