Home / 113,525.34-156,658.08-65,770.44

Finding the Fourth Proportional to 113,525.34, 156,658.08 and 65,770.44

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Solution

The fourth proportional to 113,525.34, 156,658.08 and 65,770.44 is: 90,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,525.34 : 156,658.08 = 65,770.44 : x
  2. Step 2: Convert to fraction form
    113,525.34/156,658.08 = 65,770.44/x
  3. Step 3: Cross multiply
    113,525.34x = 156,658.08 × 65,770.44
  4. Step 4: Simplify right side
    113,525.34x = 10,303,470,851.16
  5. Step 5: Solve for x
    x = 10,303,470,851.16/113,525.34
  6. Step 6: Final answer
    x = 90,759.22

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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.