Home / 292,741.76-403,984.16-158,605.76

Finding the Fourth Proportional to 292,741.76, 403,984.16 and 158,605.76

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Solution

The fourth proportional to 292,741.76, 403,984.16 and 158,605.76 is: 218,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,741.76 : 403,984.16 = 158,605.76 : x
  2. Step 2: Convert to fraction form
    292,741.76/403,984.16 = 158,605.76/x
  3. Step 3: Cross multiply
    292,741.76x = 403,984.16 × 158,605.76
  4. Step 4: Simplify right side
    292,741.76x = 64,074,214,724.76
  5. Step 5: Solve for x
    x = 64,074,214,724.76/292,741.76
  6. Step 6: Final answer
    x = 218,876.24

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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.