Home / 134,126.69-185,110.93-80,441.24

Finding the Fourth Proportional to 134,126.69, 185,110.93 and 80,441.24

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Solution

The fourth proportional to 134,126.69, 185,110.93 and 80,441.24 is: 111,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,126.69 : 185,110.93 = 80,441.24 : x
  2. Step 2: Convert to fraction form
    134,126.69/185,110.93 = 80,441.24/x
  3. Step 3: Cross multiply
    134,126.69x = 185,110.93 × 80,441.24
  4. Step 4: Simplify right side
    134,126.69x = 14,890,552,746.75
  5. Step 5: Solve for x
    x = 14,890,552,746.75/134,126.69
  6. Step 6: Final answer
    x = 111,018.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.