Home / 186,555.40-279,750.54-53,405.32

Finding the Fourth Proportional to 186,555.40, 279,750.54 and 53,405.32

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Solution

The fourth proportional to 186,555.40, 279,750.54 and 53,405.32 is: 80,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,555.40 : 279,750.54 = 53,405.32 : x
  2. Step 2: Convert to fraction form
    186,555.40/279,750.54 = 53,405.32/x
  3. Step 3: Cross multiply
    186,555.40x = 279,750.54 × 53,405.32
  4. Step 4: Simplify right side
    186,555.40x = 14,940,167,108.87
  5. Step 5: Solve for x
    x = 14,940,167,108.87/186,555.40
  6. Step 6: Final answer
    x = 80,084.35

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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.