Home / 152,132.40-228,338.10-77,304.60

Finding the Fourth Proportional to 152,132.40, 228,338.10 and 77,304.60

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Solution

The fourth proportional to 152,132.40, 228,338.10 and 77,304.60 is: 116,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,132.40 : 228,338.10 = 77,304.60 : x
  2. Step 2: Convert to fraction form
    152,132.40/228,338.10 = 77,304.60/x
  3. Step 3: Cross multiply
    152,132.40x = 228,338.10 × 77,304.60
  4. Step 4: Simplify right side
    152,132.40x = 17,651,585,485.26
  5. Step 5: Solve for x
    x = 17,651,585,485.26/152,132.40
  6. Step 6: Final answer
    x = 116,027.79

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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.