Home / 222,541.02-307,106.76-131,941.68

Finding the Fourth Proportional to 222,541.02, 307,106.76 and 131,941.68

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Solution

The fourth proportional to 222,541.02, 307,106.76 and 131,941.68 is: 182,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,541.02 : 307,106.76 = 131,941.68 : x
  2. Step 2: Convert to fraction form
    222,541.02/307,106.76 = 131,941.68/x
  3. Step 3: Cross multiply
    222,541.02x = 307,106.76 × 131,941.68
  4. Step 4: Simplify right side
    222,541.02x = 40,520,181,853.76
  5. Step 5: Solve for x
    x = 40,520,181,853.76/222,541.02
  6. Step 6: Final answer
    x = 182,079.61

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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.