Home / 133,109.02-198,508.96-113,513.50

Finding the Fourth Proportional to 133,109.02, 198,508.96 and 113,513.50

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Solution

The fourth proportional to 133,109.02, 198,508.96 and 113,513.50 is: 169,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,109.02 : 198,508.96 = 113,513.50 : x
  2. Step 2: Convert to fraction form
    133,109.02/198,508.96 = 113,513.50/x
  3. Step 3: Cross multiply
    133,109.02x = 198,508.96 × 113,513.50
  4. Step 4: Simplify right side
    133,109.02x = 22,533,446,830.96
  5. Step 5: Solve for x
    x = 22,533,446,830.96/133,109.02
  6. Step 6: Final answer
    x = 169,285.65

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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.