Home / 186,848.82-257,851.89-111,395.70

Finding the Fourth Proportional to 186,848.82, 257,851.89 and 111,395.70

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Solution

The fourth proportional to 186,848.82, 257,851.89 and 111,395.70 is: 153,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,848.82 : 257,851.89 = 111,395.70 : x
  2. Step 2: Convert to fraction form
    186,848.82/257,851.89 = 111,395.70/x
  3. Step 3: Cross multiply
    186,848.82x = 257,851.89 × 111,395.70
  4. Step 4: Simplify right side
    186,848.82x = 28,723,591,782.87
  5. Step 5: Solve for x
    x = 28,723,591,782.87/186,848.82
  6. Step 6: Final answer
    x = 153,726.38

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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.