Home / 102,120.30-153,180.54-32,005.08

Finding the Fourth Proportional to 102,120.30, 153,180.54 and 32,005.08

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Solution

The fourth proportional to 102,120.30, 153,180.54 and 32,005.08 is: 48,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,120.30 : 153,180.54 = 32,005.08 : x
  2. Step 2: Convert to fraction form
    102,120.30/153,180.54 = 32,005.08/x
  3. Step 3: Cross multiply
    102,120.30x = 153,180.54 × 32,005.08
  4. Step 4: Simplify right side
    102,120.30x = 4,902,555,437.14
  5. Step 5: Solve for x
    x = 4,902,555,437.14/102,120.30
  6. Step 6: Final answer
    x = 48,007.65

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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.