Home / 153,321.04-211,524.10-113,130.60

Finding the Fourth Proportional to 153,321.04, 211,524.10 and 113,130.60

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Solution

The fourth proportional to 153,321.04, 211,524.10 and 113,130.60 is: 156,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,321.04 : 211,524.10 = 113,130.60 : x
  2. Step 2: Convert to fraction form
    153,321.04/211,524.10 = 113,130.60/x
  3. Step 3: Cross multiply
    153,321.04x = 211,524.10 × 113,130.60
  4. Step 4: Simplify right side
    153,321.04x = 23,929,848,347.46
  5. Step 5: Solve for x
    x = 23,929,848,347.46/153,321.04
  6. Step 6: Final answer
    x = 156,076.74

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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.