Home / 105,247.67-157,896.40-34,170.17

Finding the Fourth Proportional to 105,247.67, 157,896.40 and 34,170.17

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Solution

The fourth proportional to 105,247.67, 157,896.40 and 34,170.17 is: 51,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,247.67 : 157,896.40 = 34,170.17 : x
  2. Step 2: Convert to fraction form
    105,247.67/157,896.40 = 34,170.17/x
  3. Step 3: Cross multiply
    105,247.67x = 157,896.40 × 34,170.17
  4. Step 4: Simplify right side
    105,247.67x = 5,395,346,830.39
  5. Step 5: Solve for x
    x = 5,395,346,830.39/105,247.67
  6. Step 6: Final answer
    x = 51,263.34

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1.5x scale

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.