Home / 102,536.30-153,526.53-53,184.62

Finding the Fourth Proportional to 102,536.30, 153,526.53 and 53,184.62

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Solution

The fourth proportional to 102,536.30, 153,526.53 and 53,184.62 is: 79,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,536.30 : 153,526.53 = 53,184.62 : x
  2. Step 2: Convert to fraction form
    102,536.30/153,526.53 = 53,184.62/x
  3. Step 3: Cross multiply
    102,536.30x = 153,526.53 × 53,184.62
  4. Step 4: Simplify right side
    102,536.30x = 8,165,250,157.97
  5. Step 5: Solve for x
    x = 8,165,250,157.97/102,536.30
  6. Step 6: Final answer
    x = 79,632.78

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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.