Home / 119,334.14-164,679.60-65,618.72

Finding the Fourth Proportional to 119,334.14, 164,679.60 and 65,618.72

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Solution

The fourth proportional to 119,334.14, 164,679.60 and 65,618.72 is: 90,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,334.14 : 164,679.60 = 65,618.72 : x
  2. Step 2: Convert to fraction form
    119,334.14/164,679.60 = 65,618.72/x
  3. Step 3: Cross multiply
    119,334.14x = 164,679.60 × 65,618.72
  4. Step 4: Simplify right side
    119,334.14x = 10,806,064,562.11
  5. Step 5: Solve for x
    x = 10,806,064,562.11/119,334.14
  6. Step 6: Final answer
    x = 90,553.00

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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.