Home / 180,207.92-248,721-108,598.16

Finding the Fourth Proportional to 180,207.92, 248,721 and 108,598.16

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Solution

The fourth proportional to 180,207.92, 248,721 and 108,598.16 is: 149,885.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,207.92 : 248,721 = 108,598.16 : x
  2. Step 2: Convert to fraction form
    180,207.92/248,721 = 108,598.16/x
  3. Step 3: Cross multiply
    180,207.92x = 248,721 × 108,598.16
  4. Step 4: Simplify right side
    180,207.92x = 27,010,642,953.36
  5. Step 5: Solve for x
    x = 27,010,642,953.36/180,207.92
  6. Step 6: Final answer
    x = 149,885.99

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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.