Home / 157,744.84-217,696.74-86,131.52

Finding the Fourth Proportional to 157,744.84, 217,696.74 and 86,131.52

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Solution

The fourth proportional to 157,744.84, 217,696.74 and 86,131.52 is: 118,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,744.84 : 217,696.74 = 86,131.52 : x
  2. Step 2: Convert to fraction form
    157,744.84/217,696.74 = 86,131.52/x
  3. Step 3: Cross multiply
    157,744.84x = 217,696.74 × 86,131.52
  4. Step 4: Simplify right side
    157,744.84x = 18,750,551,115.24
  5. Step 5: Solve for x
    x = 18,750,551,115.24/157,744.84
  6. Step 6: Final answer
    x = 118,866.34

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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.