Home / 292,369.02-438,608.82-92,739.66

Finding the Fourth Proportional to 292,369.02, 438,608.82 and 92,739.66

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Solution

The fourth proportional to 292,369.02, 438,608.82 and 92,739.66 is: 139,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,369.02 : 438,608.82 = 92,739.66 : x
  2. Step 2: Convert to fraction form
    292,369.02/438,608.82 = 92,739.66/x
  3. Step 3: Cross multiply
    292,369.02x = 438,608.82 × 92,739.66
  4. Step 4: Simplify right side
    292,369.02x = 40,676,432,839.80
  5. Step 5: Solve for x
    x = 40,676,432,839.80/292,369.02
  6. Step 6: Final answer
    x = 139,127.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.