Home / 292,397.32-403,485.78-165,085.48

Finding the Fourth Proportional to 292,397.32, 403,485.78 and 165,085.48

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Solution

The fourth proportional to 292,397.32, 403,485.78 and 165,085.48 is: 227,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,397.32 : 403,485.78 = 165,085.48 : x
  2. Step 2: Convert to fraction form
    292,397.32/403,485.78 = 165,085.48/x
  3. Step 3: Cross multiply
    292,397.32x = 403,485.78 × 165,085.48
  4. Step 4: Simplify right side
    292,397.32x = 66,609,643,664.47
  5. Step 5: Solve for x
    x = 66,609,643,664.47/292,397.32
  6. Step 6: Final answer
    x = 227,805.25

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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.