Home / 113,362.17-156,504.59-75,173.60

Finding the Fourth Proportional to 113,362.17, 156,504.59 and 75,173.60

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Solution

The fourth proportional to 113,362.17, 156,504.59 and 75,173.60 is: 103,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,362.17 : 156,504.59 = 75,173.60 : x
  2. Step 2: Convert to fraction form
    113,362.17/156,504.59 = 75,173.60/x
  3. Step 3: Cross multiply
    113,362.17x = 156,504.59 × 75,173.60
  4. Step 4: Simplify right side
    113,362.17x = 11,765,013,744.12
  5. Step 5: Solve for x
    x = 11,765,013,744.12/113,362.17
  6. Step 6: Final answer
    x = 103,782.54

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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.