Home / 186,192.64-279,070.24-86,141.48

Finding the Fourth Proportional to 186,192.64, 279,070.24 and 86,141.48

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Solution

The fourth proportional to 186,192.64, 279,070.24 and 86,141.48 is: 129,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,192.64 : 279,070.24 = 86,141.48 : x
  2. Step 2: Convert to fraction form
    186,192.64/279,070.24 = 86,141.48/x
  3. Step 3: Cross multiply
    186,192.64x = 279,070.24 × 86,141.48
  4. Step 4: Simplify right side
    186,192.64x = 24,039,523,497.56
  5. Step 5: Solve for x
    x = 24,039,523,497.56/186,192.64
  6. Step 6: Final answer
    x = 129,111.03

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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.