Home / 292,317.12-403,397.40-158,181.12

Finding the Fourth Proportional to 292,317.12, 403,397.40 and 158,181.12

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Solution

The fourth proportional to 292,317.12, 403,397.40 and 158,181.12 is: 218,289.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,317.12 : 403,397.40 = 158,181.12 : x
  2. Step 2: Convert to fraction form
    292,317.12/403,397.40 = 158,181.12/x
  3. Step 3: Cross multiply
    292,317.12x = 403,397.40 × 158,181.12
  4. Step 4: Simplify right side
    292,317.12x = 63,809,852,537.09
  5. Step 5: Solve for x
    x = 63,809,852,537.09/292,317.12
  6. Step 6: Final answer
    x = 218,289.82

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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.