Home / 124,127.08-186,219.78-35,381.86

Finding the Fourth Proportional to 124,127.08, 186,219.78 and 35,381.86

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Solution

The fourth proportional to 124,127.08, 186,219.78 and 35,381.86 is: 53,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,127.08 : 186,219.78 = 35,381.86 : x
  2. Step 2: Convert to fraction form
    124,127.08/186,219.78 = 35,381.86/x
  3. Step 3: Cross multiply
    124,127.08x = 186,219.78 × 35,381.86
  4. Step 4: Simplify right side
    124,127.08x = 6,588,802,185.19
  5. Step 5: Solve for x
    x = 6,588,802,185.19/124,127.08
  6. Step 6: Final answer
    x = 53,081.10

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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.