Home / 133,051.15-199,631.40-48,851.65

Finding the Fourth Proportional to 133,051.15, 199,631.40 and 48,851.65

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Solution

The fourth proportional to 133,051.15, 199,631.40 and 48,851.65 is: 73,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,051.15 : 199,631.40 = 48,851.65 : x
  2. Step 2: Convert to fraction form
    133,051.15/199,631.40 = 48,851.65/x
  3. Step 3: Cross multiply
    133,051.15x = 199,631.40 × 48,851.65
  4. Step 4: Simplify right side
    133,051.15x = 9,752,323,281.81
  5. Step 5: Solve for x
    x = 9,752,323,281.81/133,051.15
  6. Step 6: Final answer
    x = 73,297.55

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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.