Home / 102,215.83-153,312.96-27,343.53

Finding the Fourth Proportional to 102,215.83, 153,312.96 and 27,343.53

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Solution

The fourth proportional to 102,215.83, 153,312.96 and 27,343.53 is: 41,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,215.83 : 153,312.96 = 27,343.53 : x
  2. Step 2: Convert to fraction form
    102,215.83/153,312.96 = 27,343.53/x
  3. Step 3: Cross multiply
    102,215.83x = 153,312.96 × 27,343.53
  4. Step 4: Simplify right side
    102,215.83x = 4,192,117,521.15
  5. Step 5: Solve for x
    x = 4,192,117,521.15/102,215.83
  6. Step 6: Final answer
    x = 41,012.41

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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.