Home / 177,686.78-245,184.12-114,110.72

Finding the Fourth Proportional to 177,686.78, 245,184.12 and 114,110.72

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Solution

The fourth proportional to 177,686.78, 245,184.12 and 114,110.72 is: 157,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,686.78 : 245,184.12 = 114,110.72 : x
  2. Step 2: Convert to fraction form
    177,686.78/245,184.12 = 114,110.72/x
  3. Step 3: Cross multiply
    177,686.78x = 245,184.12 × 114,110.72
  4. Step 4: Simplify right side
    177,686.78x = 27,978,136,465.77
  5. Step 5: Solve for x
    x = 27,978,136,465.77/177,686.78
  6. Step 6: Final answer
    x = 157,457.61

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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.