Home / 153,643.20-230,464.80-94,286.40

Finding the Fourth Proportional to 153,643.20, 230,464.80 and 94,286.40

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Solution

The fourth proportional to 153,643.20, 230,464.80 and 94,286.40 is: 141,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,643.20 : 230,464.80 = 94,286.40 : x
  2. Step 2: Convert to fraction form
    153,643.20/230,464.80 = 94,286.40/x
  3. Step 3: Cross multiply
    153,643.20x = 230,464.80 × 94,286.40
  4. Step 4: Simplify right side
    153,643.20x = 21,729,696,318.72
  5. Step 5: Solve for x
    x = 21,729,696,318.72/153,643.20
  6. Step 6: Final answer
    x = 141,429.60

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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.