Home / 292,965.28-404,295.20-172,111.60

Finding the Fourth Proportional to 292,965.28, 404,295.20 and 172,111.60

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Solution

The fourth proportional to 292,965.28, 404,295.20 and 172,111.60 is: 237,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,965.28 : 404,295.20 = 172,111.60 : x
  2. Step 2: Convert to fraction form
    292,965.28/404,295.20 = 172,111.60/x
  3. Step 3: Cross multiply
    292,965.28x = 404,295.20 × 172,111.60
  4. Step 4: Simplify right side
    292,965.28x = 69,583,893,744.32
  5. Step 5: Solve for x
    x = 69,583,893,744.32/292,965.28
  6. Step 6: Final answer
    x = 237,515.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.