Home / 461,736.80-692,432.40-162,101.60

Finding the Fourth Proportional to 461,736.80, 692,432.40 and 162,101.60

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Solution

The fourth proportional to 461,736.80, 692,432.40 and 162,101.60 is: 243,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,736.80 : 692,432.40 = 162,101.60 : x
  2. Step 2: Convert to fraction form
    461,736.80/692,432.40 = 162,101.60/x
  3. Step 3: Cross multiply
    461,736.80x = 692,432.40 × 162,101.60
  4. Step 4: Simplify right side
    461,736.80x = 112,244,399,931.84
  5. Step 5: Solve for x
    x = 112,244,399,931.84/461,736.80
  6. Step 6: Final answer
    x = 243,091.74

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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.