Home / 282,932.96-423,829.60-130,915.80

Finding the Fourth Proportional to 282,932.96, 423,829.60 and 130,915.80

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Solution

The fourth proportional to 282,932.96, 423,829.60 and 130,915.80 is: 196,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,932.96 : 423,829.60 = 130,915.80 : x
  2. Step 2: Convert to fraction form
    282,932.96/423,829.60 = 130,915.80/x
  3. Step 3: Cross multiply
    282,932.96x = 423,829.60 × 130,915.80
  4. Step 4: Simplify right side
    282,932.96x = 55,485,990,820.39
  5. Step 5: Solve for x
    x = 55,485,990,820.39/282,932.96
  6. Step 6: Final answer
    x = 196,110.03

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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.