Home / 186,192.14-279,069.50-86,140.98

Finding the Fourth Proportional to 186,192.14, 279,069.50 and 86,140.98

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Solution

The fourth proportional to 186,192.14, 279,069.50 and 86,140.98 is: 129,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,192.14 : 279,069.50 = 86,140.98 : x
  2. Step 2: Convert to fraction form
    186,192.14/279,069.50 = 86,140.98/x
  3. Step 3: Cross multiply
    186,192.14x = 279,069.50 × 86,140.98
  4. Step 4: Simplify right side
    186,192.14x = 24,039,319,787.41
  5. Step 5: Solve for x
    x = 24,039,319,787.41/186,192.14
  6. Step 6: Final answer
    x = 129,110.29

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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.