Home / 125,022.22-172,504.02-74,050.90

Finding the Fourth Proportional to 125,022.22, 172,504.02 and 74,050.90

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Solution

The fourth proportional to 125,022.22, 172,504.02 and 74,050.90 is: 102,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,022.22 : 172,504.02 = 74,050.90 : x
  2. Step 2: Convert to fraction form
    125,022.22/172,504.02 = 74,050.90/x
  3. Step 3: Cross multiply
    125,022.22x = 172,504.02 × 74,050.90
  4. Step 4: Simplify right side
    125,022.22x = 12,774,077,934.62
  5. Step 5: Solve for x
    x = 12,774,077,934.62/125,022.22
  6. Step 6: Final answer
    x = 102,174.46

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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.