Home / 186,571.40-279,774.54-53,421.32

Finding the Fourth Proportional to 186,571.40, 279,774.54 and 53,421.32

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Solution

The fourth proportional to 186,571.40, 279,774.54 and 53,421.32 is: 80,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,571.40 : 279,774.54 = 53,421.32 : x
  2. Step 2: Convert to fraction form
    186,571.40/279,774.54 = 53,421.32/x
  3. Step 3: Cross multiply
    186,571.40x = 279,774.54 × 53,421.32
  4. Step 4: Simplify right side
    186,571.40x = 14,945,925,229.19
  5. Step 5: Solve for x
    x = 14,945,925,229.19/186,571.40
  6. Step 6: Final answer
    x = 80,108.34

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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.