Home / 133,360.47-184,036.79-72,930.02

Finding the Fourth Proportional to 133,360.47, 184,036.79 and 72,930.02

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Solution

The fourth proportional to 133,360.47, 184,036.79 and 72,930.02 is: 100,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,360.47 : 184,036.79 = 72,930.02 : x
  2. Step 2: Convert to fraction form
    133,360.47/184,036.79 = 72,930.02/x
  3. Step 3: Cross multiply
    133,360.47x = 184,036.79 × 72,930.02
  4. Step 4: Simplify right side
    133,360.47x = 13,421,806,037.58
  5. Step 5: Solve for x
    x = 13,421,806,037.58/133,360.47
  6. Step 6: Final answer
    x = 100,643.06

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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.