Home / 102,086.16-153,117.09-27,211.92

Finding the Fourth Proportional to 102,086.16, 153,117.09 and 27,211.92

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Solution

The fourth proportional to 102,086.16, 153,117.09 and 27,211.92 is: 40,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,086.16 : 153,117.09 = 27,211.92 : x
  2. Step 2: Convert to fraction form
    102,086.16/153,117.09 = 27,211.92/x
  3. Step 3: Cross multiply
    102,086.16x = 153,117.09 × 27,211.92
  4. Step 4: Simplify right side
    102,086.16x = 4,166,610,003.71
  5. Step 5: Solve for x
    x = 4,166,610,003.71/102,086.16
  6. Step 6: Final answer
    x = 40,814.64

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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.