Home / 133,296.40-183,949.39-72,867.76

Finding the Fourth Proportional to 133,296.40, 183,949.39 and 72,867.76

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Solution

The fourth proportional to 133,296.40, 183,949.39 and 72,867.76 is: 100,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,296.40 : 183,949.39 = 72,867.76 : x
  2. Step 2: Convert to fraction form
    133,296.40/183,949.39 = 72,867.76/x
  3. Step 3: Cross multiply
    133,296.40x = 183,949.39 × 72,867.76
  4. Step 4: Simplify right side
    133,296.40x = 13,403,980,002.67
  5. Step 5: Solve for x
    x = 13,403,980,002.67/133,296.40
  6. Step 6: Final answer
    x = 100,557.70

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1.5x scale

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.