Home / 186,764.31-257,977.83-151,088.87

Finding the Fourth Proportional to 186,764.31, 257,977.83 and 151,088.87

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Solution

The fourth proportional to 186,764.31, 257,977.83 and 151,088.87 is: 208,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,764.31 : 257,977.83 = 151,088.87 : x
  2. Step 2: Convert to fraction form
    186,764.31/257,977.83 = 151,088.87/x
  3. Step 3: Cross multiply
    186,764.31x = 257,977.83 × 151,088.87
  4. Step 4: Simplify right side
    186,764.31x = 38,977,577,529.86
  5. Step 5: Solve for x
    x = 38,977,577,529.86/186,764.31
  6. Step 6: Final answer
    x = 208,699.28

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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.