Home / 133,108.02-198,507.47-113,512.50

Finding the Fourth Proportional to 133,108.02, 198,507.47 and 113,512.50

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Solution

The fourth proportional to 133,108.02, 198,507.47 and 113,512.50 is: 169,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,108.02 : 198,507.47 = 113,512.50 : x
  2. Step 2: Convert to fraction form
    133,108.02/198,507.47 = 113,512.50/x
  3. Step 3: Cross multiply
    133,108.02x = 198,507.47 × 113,512.50
  4. Step 4: Simplify right side
    133,108.02x = 22,533,078,620.81
  5. Step 5: Solve for x
    x = 22,533,078,620.81/133,108.02
  6. Step 6: Final answer
    x = 169,284.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.