Home / 103,263.36-154,917.84-40,932.24

Finding the Fourth Proportional to 103,263.36, 154,917.84 and 40,932.24

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Solution

The fourth proportional to 103,263.36, 154,917.84 and 40,932.24 is: 61,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,263.36 : 154,917.84 = 40,932.24 : x
  2. Step 2: Convert to fraction form
    103,263.36/154,917.84 = 40,932.24/x
  3. Step 3: Cross multiply
    103,263.36x = 154,917.84 × 40,932.24
  4. Step 4: Simplify right side
    103,263.36x = 6,341,134,207.16
  5. Step 5: Solve for x
    x = 6,341,134,207.16/103,263.36
  6. Step 6: Final answer
    x = 61,407.40

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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.