Home / 393,338.06-589,919.25-153,458.35

Finding the Fourth Proportional to 393,338.06, 589,919.25 and 153,458.35

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Solution

The fourth proportional to 393,338.06, 589,919.25 and 153,458.35 is: 230,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,338.06 : 589,919.25 = 153,458.35 : x
  2. Step 2: Convert to fraction form
    393,338.06/589,919.25 = 153,458.35/x
  3. Step 3: Cross multiply
    393,338.06x = 589,919.25 × 153,458.35
  4. Step 4: Simplify right side
    393,338.06x = 90,528,033,838.91
  5. Step 5: Solve for x
    x = 90,528,033,838.91/393,338.06
  6. Step 6: Final answer
    x = 230,153.25

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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.