Home / 131,999.91-182,158.77-74,650.50

Finding the Fourth Proportional to 131,999.91, 182,158.77 and 74,650.50

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Solution

The fourth proportional to 131,999.91, 182,158.77 and 74,650.50 is: 103,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,999.91 : 182,158.77 = 74,650.50 : x
  2. Step 2: Convert to fraction form
    131,999.91/182,158.77 = 74,650.50/x
  3. Step 3: Cross multiply
    131,999.91x = 182,158.77 × 74,650.50
  4. Step 4: Simplify right side
    131,999.91x = 13,598,243,259.89
  5. Step 5: Solve for x
    x = 13,598,243,259.89/131,999.91
  6. Step 6: Final answer
    x = 103,017.06

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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.