Home / 292,555.80-403,732.35-165,207.60

Finding the Fourth Proportional to 292,555.80, 403,732.35 and 165,207.60

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Solution

The fourth proportional to 292,555.80, 403,732.35 and 165,207.60 is: 227,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,555.80 : 403,732.35 = 165,207.60 : x
  2. Step 2: Convert to fraction form
    292,555.80/403,732.35 = 165,207.60/x
  3. Step 3: Cross multiply
    292,555.80x = 403,732.35 × 165,207.60
  4. Step 4: Simplify right side
    292,555.80x = 66,699,652,585.86
  5. Step 5: Solve for x
    x = 66,699,652,585.86/292,555.80
  6. Step 6: Final answer
    x = 227,989.51

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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.