Home / 126,585.96-174,832.02-86,229.60

Finding the Fourth Proportional to 126,585.96, 174,832.02 and 86,229.60

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Solution

The fourth proportional to 126,585.96, 174,832.02 and 86,229.60 is: 119,094.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,585.96 : 174,832.02 = 86,229.60 : x
  2. Step 2: Convert to fraction form
    126,585.96/174,832.02 = 86,229.60/x
  3. Step 3: Cross multiply
    126,585.96x = 174,832.02 × 86,229.60
  4. Step 4: Simplify right side
    126,585.96x = 15,075,695,151.79
  5. Step 5: Solve for x
    x = 15,075,695,151.79/126,585.96
  6. Step 6: Final answer
    x = 119,094.53

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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.