Home / 128,507.04-192,632.48-61,928.24

Finding the Fourth Proportional to 128,507.04, 192,632.48 and 61,928.24

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Solution

The fourth proportional to 128,507.04, 192,632.48 and 61,928.24 is: 92,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,507.04 : 192,632.48 = 61,928.24 : x
  2. Step 2: Convert to fraction form
    128,507.04/192,632.48 = 61,928.24/x
  3. Step 3: Cross multiply
    128,507.04x = 192,632.48 × 61,928.24
  4. Step 4: Simplify right side
    128,507.04x = 11,929,390,453.24
  5. Step 5: Solve for x
    x = 11,929,390,453.24/128,507.04
  6. Step 6: Final answer
    x = 92,830.64

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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.