Home / 126,448.02-174,470.76-75,437.46

Finding the Fourth Proportional to 126,448.02, 174,470.76 and 75,437.46

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Solution

The fourth proportional to 126,448.02, 174,470.76 and 75,437.46 is: 104,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,448.02 : 174,470.76 = 75,437.46 : x
  2. Step 2: Convert to fraction form
    126,448.02/174,470.76 = 75,437.46/x
  3. Step 3: Cross multiply
    126,448.02x = 174,470.76 × 75,437.46
  4. Step 4: Simplify right side
    126,448.02x = 13,161,630,978.67
  5. Step 5: Solve for x
    x = 13,161,630,978.67/126,448.02
  6. Step 6: Final answer
    x = 104,087.28

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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.