Home / 186,578.32-257,485.02-106,019.50

Finding the Fourth Proportional to 186,578.32, 257,485.02 and 106,019.50

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Solution

The fourth proportional to 186,578.32, 257,485.02 and 106,019.50 is: 146,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,578.32 : 257,485.02 = 106,019.50 : x
  2. Step 2: Convert to fraction form
    186,578.32/257,485.02 = 106,019.50/x
  3. Step 3: Cross multiply
    186,578.32x = 257,485.02 × 106,019.50
  4. Step 4: Simplify right side
    186,578.32x = 27,298,433,077.89
  5. Step 5: Solve for x
    x = 27,298,433,077.89/186,578.32
  6. Step 6: Final answer
    x = 146,310.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.