Home / 125,997.12-188,710.02-97,690.32

Finding the Fourth Proportional to 125,997.12, 188,710.02 and 97,690.32

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Solution

The fourth proportional to 125,997.12, 188,710.02 and 97,690.32 is: 146,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,997.12 : 188,710.02 = 97,690.32 : x
  2. Step 2: Convert to fraction form
    125,997.12/188,710.02 = 97,690.32/x
  3. Step 3: Cross multiply
    125,997.12x = 188,710.02 × 97,690.32
  4. Step 4: Simplify right side
    125,997.12x = 18,435,142,241.01
  5. Step 5: Solve for x
    x = 18,435,142,241.01/125,997.12
  6. Step 6: Final answer
    x = 146,314.00

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1.5x scale

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.