Home / 119,150.06-164,428.21-65,436.19

Finding the Fourth Proportional to 119,150.06, 164,428.21 and 65,436.19

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Solution

The fourth proportional to 119,150.06, 164,428.21 and 65,436.19 is: 90,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,150.06 : 164,428.21 = 65,436.19 : x
  2. Step 2: Convert to fraction form
    119,150.06/164,428.21 = 65,436.19/x
  3. Step 3: Cross multiply
    119,150.06x = 164,428.21 × 65,436.19
  4. Step 4: Simplify right side
    119,150.06x = 10,759,555,261.64
  5. Step 5: Solve for x
    x = 10,759,555,261.64/119,150.06
  6. Step 6: Final answer
    x = 90,302.56

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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.