Home / 102,088.16-153,120.09-27,213.92

Finding the Fourth Proportional to 102,088.16, 153,120.09 and 27,213.92

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Solution

The fourth proportional to 102,088.16, 153,120.09 and 27,213.92 is: 40,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,088.16 : 153,120.09 = 27,213.92 : x
  2. Step 2: Convert to fraction form
    102,088.16/153,120.09 = 27,213.92/x
  3. Step 3: Cross multiply
    102,088.16x = 153,120.09 × 27,213.92
  4. Step 4: Simplify right side
    102,088.16x = 4,166,997,879.65
  5. Step 5: Solve for x
    x = 4,166,997,879.65/102,088.16
  6. Step 6: Final answer
    x = 40,817.64

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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.