Home / 292,861.92-439,135.02-157,998.30

Finding the Fourth Proportional to 292,861.92, 439,135.02 and 157,998.30

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Solution

The fourth proportional to 292,861.92, 439,135.02 and 157,998.30 is: 236,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,861.92 : 439,135.02 = 157,998.30 : x
  2. Step 2: Convert to fraction form
    292,861.92/439,135.02 = 157,998.30/x
  3. Step 3: Cross multiply
    292,861.92x = 439,135.02 × 157,998.30
  4. Step 4: Simplify right side
    292,861.92x = 69,382,586,630.47
  5. Step 5: Solve for x
    x = 69,382,586,630.47/292,861.92
  6. Step 6: Final answer
    x = 236,912.28

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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.