Home / 127,818.02-191,728.24-34,323.78

Finding the Fourth Proportional to 127,818.02, 191,728.24 and 34,323.78

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Solution

The fourth proportional to 127,818.02, 191,728.24 and 34,323.78 is: 51,485.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,818.02 : 191,728.24 = 34,323.78 : x
  2. Step 2: Convert to fraction form
    127,818.02/191,728.24 = 34,323.78/x
  3. Step 3: Cross multiply
    127,818.02x = 191,728.24 × 34,323.78
  4. Step 4: Simplify right side
    127,818.02x = 6,580,837,929.55
  5. Step 5: Solve for x
    x = 6,580,837,929.55/127,818.02
  6. Step 6: Final answer
    x = 51,485.99

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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.