Home / 186,943.59-258,011.78-118,889.62

Finding the Fourth Proportional to 186,943.59, 258,011.78 and 118,889.62

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Solution

The fourth proportional to 186,943.59, 258,011.78 and 118,889.62 is: 164,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,943.59 : 258,011.78 = 118,889.62 : x
  2. Step 2: Convert to fraction form
    186,943.59/258,011.78 = 118,889.62/x
  3. Step 3: Cross multiply
    186,943.59x = 258,011.78 × 118,889.62
  4. Step 4: Simplify right side
    186,943.59x = 30,674,921,240.25
  5. Step 5: Solve for x
    x = 30,674,921,240.25/186,943.59
  6. Step 6: Final answer
    x = 164,086.51

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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.