Home / 133,267.32-183,903.92-72,837.48

Finding the Fourth Proportional to 133,267.32, 183,903.92 and 72,837.48

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Solution

The fourth proportional to 133,267.32, 183,903.92 and 72,837.48 is: 100,513.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,267.32 : 183,903.92 = 72,837.48 : x
  2. Step 2: Convert to fraction form
    133,267.32/183,903.92 = 72,837.48/x
  3. Step 3: Cross multiply
    133,267.32x = 183,903.92 × 72,837.48
  4. Step 4: Simplify right side
    133,267.32x = 13,395,097,730.73
  5. Step 5: Solve for x
    x = 13,395,097,730.73/133,267.32
  6. Step 6: Final answer
    x = 100,513.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.