Home / 153,007.20-229,543.20-46,382.40

Finding the Fourth Proportional to 153,007.20, 229,543.20 and 46,382.40

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Solution

The fourth proportional to 153,007.20, 229,543.20 and 46,382.40 is: 69,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,007.20 : 229,543.20 = 46,382.40 : x
  2. Step 2: Convert to fraction form
    153,007.20/229,543.20 = 46,382.40/x
  3. Step 3: Cross multiply
    153,007.20x = 229,543.20 × 46,382.40
  4. Step 4: Simplify right side
    153,007.20x = 10,646,764,519.68
  5. Step 5: Solve for x
    x = 10,646,764,519.68/153,007.20
  6. Step 6: Final answer
    x = 69,583.42

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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.