Home / 118,272.60-162,930.48-101,222.16

Finding the Fourth Proportional to 118,272.60, 162,930.48 and 101,222.16

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Solution

The fourth proportional to 118,272.60, 162,930.48 and 101,222.16 is: 139,442.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,272.60 : 162,930.48 = 101,222.16 : x
  2. Step 2: Convert to fraction form
    118,272.60/162,930.48 = 101,222.16/x
  3. Step 3: Cross multiply
    118,272.60x = 162,930.48 × 101,222.16
  4. Step 4: Simplify right side
    118,272.60x = 16,492,175,115.44
  5. Step 5: Solve for x
    x = 16,492,175,115.44/118,272.60
  6. Step 6: Final answer
    x = 139,442.06

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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.