Home / 117,868.37-162,658.36-64,153.77

Finding the Fourth Proportional to 117,868.37, 162,658.36 and 64,153.77

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Solution

The fourth proportional to 117,868.37, 162,658.36 and 64,153.77 is: 88,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,868.37 : 162,658.36 = 64,153.77 : x
  2. Step 2: Convert to fraction form
    117,868.37/162,658.36 = 64,153.77/x
  3. Step 3: Cross multiply
    117,868.37x = 162,658.36 × 64,153.77
  4. Step 4: Simplify right side
    117,868.37x = 10,435,147,401.19
  5. Step 5: Solve for x
    x = 10,435,147,401.19/117,868.37
  6. Step 6: Final answer
    x = 88,532.21

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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.