Home / 102,100.16-153,138.08-27,225.92

Finding the Fourth Proportional to 102,100.16, 153,138.08 and 27,225.92

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Solution

The fourth proportional to 102,100.16, 153,138.08 and 27,225.92 is: 40,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,100.16 : 153,138.08 = 27,225.92 : x
  2. Step 2: Convert to fraction form
    102,100.16/153,138.08 = 27,225.92/x
  3. Step 3: Cross multiply
    102,100.16x = 153,138.08 × 27,225.92
  4. Step 4: Simplify right side
    102,100.16x = 4,169,325,115.03
  5. Step 5: Solve for x
    x = 4,169,325,115.03/102,100.16
  6. Step 6: Final answer
    x = 40,835.64

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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.