Home / 154,289.36-231,350.88-83,250.08

Finding the Fourth Proportional to 154,289.36, 231,350.88 and 83,250.08

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Solution

The fourth proportional to 154,289.36, 231,350.88 and 83,250.08 is: 124,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,289.36 : 231,350.88 = 83,250.08 : x
  2. Step 2: Convert to fraction form
    154,289.36/231,350.88 = 83,250.08/x
  3. Step 3: Cross multiply
    154,289.36x = 231,350.88 × 83,250.08
  4. Step 4: Simplify right side
    154,289.36x = 19,259,979,268.07
  5. Step 5: Solve for x
    x = 19,259,979,268.07/154,289.36
  6. Step 6: Final answer
    x = 124,830.25

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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.