Home / 125,230.02-172,820.43-68,644.50

Finding the Fourth Proportional to 125,230.02, 172,820.43 and 68,644.50

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Solution

The fourth proportional to 125,230.02, 172,820.43 and 68,644.50 is: 94,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,230.02 : 172,820.43 = 68,644.50 : x
  2. Step 2: Convert to fraction form
    125,230.02/172,820.43 = 68,644.50/x
  3. Step 3: Cross multiply
    125,230.02x = 172,820.43 × 68,644.50
  4. Step 4: Simplify right side
    125,230.02x = 11,863,172,007.14
  5. Step 5: Solve for x
    x = 11,863,172,007.14/125,230.02
  6. Step 6: Final answer
    x = 94,731.06

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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.