Home / 186,424.40-279,439.68-133,805.36

Finding the Fourth Proportional to 186,424.40, 279,439.68 and 133,805.36

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Solution

The fourth proportional to 186,424.40, 279,439.68 and 133,805.36 is: 200,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,424.40 : 279,439.68 = 133,805.36 : x
  2. Step 2: Convert to fraction form
    186,424.40/279,439.68 = 133,805.36/x
  3. Step 3: Cross multiply
    186,424.40x = 279,439.68 × 133,805.36
  4. Step 4: Simplify right side
    186,424.40x = 37,390,526,980.68
  5. Step 5: Solve for x
    x = 37,390,526,980.68/186,424.40
  6. Step 6: Final answer
    x = 200,566.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.