Home / 111,050.30-166,501.64-61,153.90

Finding the Fourth Proportional to 111,050.30, 166,501.64 and 61,153.90

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Solution

The fourth proportional to 111,050.30, 166,501.64 and 61,153.90 is: 91,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,050.30 : 166,501.64 = 61,153.90 : x
  2. Step 2: Convert to fraction form
    111,050.30/166,501.64 = 61,153.90/x
  3. Step 3: Cross multiply
    111,050.30x = 166,501.64 × 61,153.90
  4. Step 4: Simplify right side
    111,050.30x = 10,182,224,379.03
  5. Step 5: Solve for x
    x = 10,182,224,379.03/111,050.30
  6. Step 6: Final answer
    x = 91,690.20

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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.