Home / 116,110.78-160,247.70-68,368.56

Finding the Fourth Proportional to 116,110.78, 160,247.70 and 68,368.56

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Solution

The fourth proportional to 116,110.78, 160,247.70 and 68,368.56 is: 94,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,110.78 : 160,247.70 = 68,368.56 : x
  2. Step 2: Convert to fraction form
    116,110.78/160,247.70 = 68,368.56/x
  3. Step 3: Cross multiply
    116,110.78x = 160,247.70 × 68,368.56
  4. Step 4: Simplify right side
    116,110.78x = 10,955,904,492.31
  5. Step 5: Solve for x
    x = 10,955,904,492.31/116,110.78
  6. Step 6: Final answer
    x = 94,357.34

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1.5x scale

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.