Home / 114,934.60-172,013.10-100,937.80

Finding the Fourth Proportional to 114,934.60, 172,013.10 and 100,937.80

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Solution

The fourth proportional to 114,934.60, 172,013.10 and 100,937.80 is: 151,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,934.60 : 172,013.10 = 100,937.80 : x
  2. Step 2: Convert to fraction form
    114,934.60/172,013.10 = 100,937.80/x
  3. Step 3: Cross multiply
    114,934.60x = 172,013.10 × 100,937.80
  4. Step 4: Simplify right side
    114,934.60x = 17,362,623,885.18
  5. Step 5: Solve for x
    x = 17,362,623,885.18/114,934.60
  6. Step 6: Final answer
    x = 151,065.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.