Home / 261,941.55-392,583.81-112,005.84

Finding the Fourth Proportional to 261,941.55, 392,583.81 and 112,005.84

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Solution

The fourth proportional to 261,941.55, 392,583.81 and 112,005.84 is: 167,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,941.55 : 392,583.81 = 112,005.84 : x
  2. Step 2: Convert to fraction form
    261,941.55/392,583.81 = 112,005.84/x
  3. Step 3: Cross multiply
    261,941.55x = 392,583.81 × 112,005.84
  4. Step 4: Simplify right side
    261,941.55x = 43,971,679,093.38
  5. Step 5: Solve for x
    x = 43,971,679,093.38/261,941.55
  6. Step 6: Final answer
    x = 167,868.29

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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.