Home / 117,528.42-162,172.89-69,132.54

Finding the Fourth Proportional to 117,528.42, 162,172.89 and 69,132.54

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Solution

The fourth proportional to 117,528.42, 162,172.89 and 69,132.54 is: 95,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,528.42 : 162,172.89 = 69,132.54 : x
  2. Step 2: Convert to fraction form
    117,528.42/162,172.89 = 69,132.54/x
  3. Step 3: Cross multiply
    117,528.42x = 162,172.89 × 69,132.54
  4. Step 4: Simplify right side
    117,528.42x = 11,211,423,804.84
  5. Step 5: Solve for x
    x = 11,211,423,804.84/117,528.42
  6. Step 6: Final answer
    x = 95,393.30

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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.