Home / 153,970.04-230,961.54-75,150.56

Finding the Fourth Proportional to 153,970.04, 230,961.54 and 75,150.56

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Solution

The fourth proportional to 153,970.04, 230,961.54 and 75,150.56 is: 112,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,970.04 : 230,961.54 = 75,150.56 : x
  2. Step 2: Convert to fraction form
    153,970.04/230,961.54 = 75,150.56/x
  3. Step 3: Cross multiply
    153,970.04x = 230,961.54 × 75,150.56
  4. Step 4: Simplify right side
    153,970.04x = 17,356,889,928.68
  5. Step 5: Solve for x
    x = 17,356,889,928.68/153,970.04
  6. Step 6: Final answer
    x = 112,729.01

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1.5x scale

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.