Home / 261,957.24-392,607.05-112,021.16

Finding the Fourth Proportional to 261,957.24, 392,607.05 and 112,021.16

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Solution

The fourth proportional to 261,957.24, 392,607.05 and 112,021.16 is: 167,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,957.24 : 392,607.05 = 112,021.16 : x
  2. Step 2: Convert to fraction form
    261,957.24/392,607.05 = 112,021.16/x
  3. Step 3: Cross multiply
    261,957.24x = 392,607.05 × 112,021.16
  4. Step 4: Simplify right side
    261,957.24x = 43,980,294,642.04
  5. Step 5: Solve for x
    x = 43,980,294,642.04/261,957.24
  6. Step 6: Final answer
    x = 167,891.12

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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.