Home / 128,030.81-192,084.66-60,614.24

Finding the Fourth Proportional to 128,030.81, 192,084.66 and 60,614.24

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Solution

The fourth proportional to 128,030.81, 192,084.66 and 60,614.24 is: 90,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,030.81 : 192,084.66 = 60,614.24 : x
  2. Step 2: Convert to fraction form
    128,030.81/192,084.66 = 60,614.24/x
  3. Step 3: Cross multiply
    128,030.81x = 192,084.66 × 60,614.24
  4. Step 4: Simplify right side
    128,030.81x = 11,643,066,161.77
  5. Step 5: Solve for x
    x = 11,643,066,161.77/128,030.81
  6. Step 6: Final answer
    x = 90,939.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.