Home / 122,499.32-183,772.19-42,534.16

Finding the Fourth Proportional to 122,499.32, 183,772.19 and 42,534.16

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Solution

The fourth proportional to 122,499.32, 183,772.19 and 42,534.16 is: 63,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,499.32 : 183,772.19 = 42,534.16 : x
  2. Step 2: Convert to fraction form
    122,499.32/183,772.19 = 42,534.16/x
  3. Step 3: Cross multiply
    122,499.32x = 183,772.19 × 42,534.16
  4. Step 4: Simplify right side
    122,499.32x = 7,816,595,379.92
  5. Step 5: Solve for x
    x = 7,816,595,379.92/122,499.32
  6. Step 6: Final answer
    x = 63,809.30

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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.