Home / 186,907.50-257,842.53-122,348.27

Finding the Fourth Proportional to 186,907.50, 257,842.53 and 122,348.27

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Solution

The fourth proportional to 186,907.50, 257,842.53 and 122,348.27 is: 168,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,907.50 : 257,842.53 = 122,348.27 : x
  2. Step 2: Convert to fraction form
    186,907.50/257,842.53 = 122,348.27/x
  3. Step 3: Cross multiply
    186,907.50x = 257,842.53 × 122,348.27
  4. Step 4: Simplify right side
    186,907.50x = 31,546,588,122.53
  5. Step 5: Solve for x
    x = 31,546,588,122.53/186,907.50
  6. Step 6: Final answer
    x = 168,781.82

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1.5x scale

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.