Home / 186,570.40-279,773.04-53,420.32

Finding the Fourth Proportional to 186,570.40, 279,773.04 and 53,420.32

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Solution

The fourth proportional to 186,570.40, 279,773.04 and 53,420.32 is: 80,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,570.40 : 279,773.04 = 53,420.32 : x
  2. Step 2: Convert to fraction form
    186,570.40/279,773.04 = 53,420.32/x
  3. Step 3: Cross multiply
    186,570.40x = 279,773.04 × 53,420.32
  4. Step 4: Simplify right side
    186,570.40x = 14,945,565,324.17
  5. Step 5: Solve for x
    x = 14,945,565,324.17/186,570.40
  6. Step 6: Final answer
    x = 80,106.84

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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.