Home / 154,697.38-213,083.07-109,296.55

Finding the Fourth Proportional to 154,697.38, 213,083.07 and 109,296.55

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Solution

The fourth proportional to 154,697.38, 213,083.07 and 109,296.55 is: 150,547.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,697.38 : 213,083.07 = 109,296.55 : x
  2. Step 2: Convert to fraction form
    154,697.38/213,083.07 = 109,296.55/x
  3. Step 3: Cross multiply
    154,697.38x = 213,083.07 × 109,296.55
  4. Step 4: Simplify right side
    154,697.38x = 23,289,242,802.51
  5. Step 5: Solve for x
    x = 23,289,242,802.51/154,697.38
  6. Step 6: Final answer
    x = 150,547.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.