Home / 261,455.02-392,247.93-74,466.52

Finding the Fourth Proportional to 261,455.02, 392,247.93 and 74,466.52

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Solution

The fourth proportional to 261,455.02, 392,247.93 and 74,466.52 is: 111,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,455.02 : 392,247.93 = 74,466.52 : x
  2. Step 2: Convert to fraction form
    261,455.02/392,247.93 = 74,466.52/x
  3. Step 3: Cross multiply
    261,455.02x = 392,247.93 × 74,466.52
  4. Step 4: Simplify right side
    261,455.02x = 29,209,338,324.30
  5. Step 5: Solve for x
    x = 29,209,338,324.30/261,455.02
  6. Step 6: Final answer
    x = 111,718.41

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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.