Home / 128,284.04-192,432.54-39,598.22

Finding the Fourth Proportional to 128,284.04, 192,432.54 and 39,598.22

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Solution

The fourth proportional to 128,284.04, 192,432.54 and 39,598.22 is: 59,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,284.04 : 192,432.54 = 39,598.22 : x
  2. Step 2: Convert to fraction form
    128,284.04/192,432.54 = 39,598.22/x
  3. Step 3: Cross multiply
    128,284.04x = 192,432.54 × 39,598.22
  4. Step 4: Simplify right side
    128,284.04x = 7,619,986,054.08
  5. Step 5: Solve for x
    x = 7,619,986,054.08/128,284.04
  6. Step 6: Final answer
    x = 59,399.33

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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.