Home / 117,868.18-162,658.07-64,153.58

Finding the Fourth Proportional to 117,868.18, 162,658.07 and 64,153.58

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Solution

The fourth proportional to 117,868.18, 162,658.07 and 64,153.58 is: 88,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,868.18 : 162,658.07 = 64,153.58 : x
  2. Step 2: Convert to fraction form
    117,868.18/162,658.07 = 64,153.58/x
  3. Step 3: Cross multiply
    117,868.18x = 162,658.07 × 64,153.58
  4. Step 4: Simplify right side
    117,868.18x = 10,435,097,506.39
  5. Step 5: Solve for x
    x = 10,435,097,506.39/117,868.18
  6. Step 6: Final answer
    x = 88,531.93

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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.