Home / 174,158.24-261,030-121,281.44

Finding the Fourth Proportional to 174,158.24, 261,030 and 121,281.44

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Solution

The fourth proportional to 174,158.24, 261,030 and 121,281.44 is: 181,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,158.24 : 261,030 = 121,281.44 : x
  2. Step 2: Convert to fraction form
    174,158.24/261,030 = 121,281.44/x
  3. Step 3: Cross multiply
    174,158.24x = 261,030 × 121,281.44
  4. Step 4: Simplify right side
    174,158.24x = 31,658,094,283.20
  5. Step 5: Solve for x
    x = 31,658,094,283.20/174,158.24
  6. Step 6: Final answer
    x = 181,777.76

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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.