Home / 103,225.04-154,837.76-28,346.16

Finding the Fourth Proportional to 103,225.04, 154,837.76 and 28,346.16

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Solution

The fourth proportional to 103,225.04, 154,837.76 and 28,346.16 is: 42,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,225.04 : 154,837.76 = 28,346.16 : x
  2. Step 2: Convert to fraction form
    103,225.04/154,837.76 = 28,346.16/x
  3. Step 3: Cross multiply
    103,225.04x = 154,837.76 × 28,346.16
  4. Step 4: Simplify right side
    103,225.04x = 4,389,055,919.00
  5. Step 5: Solve for x
    x = 4,389,055,919.00/103,225.04
  6. Step 6: Final answer
    x = 42,519.29

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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.