Home / 186,009.55-256,693.43-101,126.61

Finding the Fourth Proportional to 186,009.55, 256,693.43 and 101,126.61

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Solution

The fourth proportional to 186,009.55, 256,693.43 and 101,126.61 is: 139,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,009.55 : 256,693.43 = 101,126.61 : x
  2. Step 2: Convert to fraction form
    186,009.55/256,693.43 = 101,126.61/x
  3. Step 3: Cross multiply
    186,009.55x = 256,693.43 × 101,126.61
  4. Step 4: Simplify right side
    186,009.55x = 25,958,536,637.99
  5. Step 5: Solve for x
    x = 25,958,536,637.99/186,009.55
  6. Step 6: Final answer
    x = 139,554.86

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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.