Home / 292,370.02-438,610.32-92,740.66

Finding the Fourth Proportional to 292,370.02, 438,610.32 and 92,740.66

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Solution

The fourth proportional to 292,370.02, 438,610.32 and 92,740.66 is: 139,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,370.02 : 438,610.32 = 92,740.66 : x
  2. Step 2: Convert to fraction form
    292,370.02/438,610.32 = 92,740.66/x
  3. Step 3: Cross multiply
    292,370.02x = 438,610.32 × 92,740.66
  4. Step 4: Simplify right side
    292,370.02x = 40,677,010,559.61
  5. Step 5: Solve for x
    x = 40,677,010,559.61/292,370.02
  6. Step 6: Final answer
    x = 139,128.53

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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.