Home / 119,212.11-164,516.65-65,501.01

Finding the Fourth Proportional to 119,212.11, 164,516.65 and 65,501.01

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Solution

The fourth proportional to 119,212.11, 164,516.65 and 65,501.01 is: 90,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,212.11 : 164,516.65 = 65,501.01 : x
  2. Step 2: Convert to fraction form
    119,212.11/164,516.65 = 65,501.01/x
  3. Step 3: Cross multiply
    119,212.11x = 164,516.65 × 65,501.01
  4. Step 4: Simplify right side
    119,212.11x = 10,776,006,573.06
  5. Step 5: Solve for x
    x = 10,776,006,573.06/119,212.11
  6. Step 6: Final answer
    x = 90,393.56

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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.