Home / 261,971.02-392,627.64-112,034.92

Finding the Fourth Proportional to 261,971.02, 392,627.64 and 112,034.92

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Solution

The fourth proportional to 261,971.02, 392,627.64 and 112,034.92 is: 167,911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,971.02 : 392,627.64 = 112,034.92 : x
  2. Step 2: Convert to fraction form
    261,971.02/392,627.64 = 112,034.92/x
  3. Step 3: Cross multiply
    261,971.02x = 392,627.64 × 112,034.92
  4. Step 4: Simplify right side
    261,971.02x = 43,988,006,237.19
  5. Step 5: Solve for x
    x = 43,988,006,237.19/261,971.02
  6. Step 6: Final answer
    x = 167,911.73

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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.