Home / 186,537.28-257,412.72-105,962.80

Finding the Fourth Proportional to 186,537.28, 257,412.72 and 105,962.80

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Solution

The fourth proportional to 186,537.28, 257,412.72 and 105,962.80 is: 146,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,537.28 : 257,412.72 = 105,962.80 : x
  2. Step 2: Convert to fraction form
    186,537.28/257,412.72 = 105,962.80/x
  3. Step 3: Cross multiply
    186,537.28x = 257,412.72 × 105,962.80
  4. Step 4: Simplify right side
    186,537.28x = 27,276,172,566.82
  5. Step 5: Solve for x
    x = 27,276,172,566.82/186,537.28
  6. Step 6: Final answer
    x = 146,223.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.