Home / 186,646.72-257,577.64-114,061.36

Finding the Fourth Proportional to 186,646.72, 257,577.64 and 114,061.36

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Solution

The fourth proportional to 186,646.72, 257,577.64 and 114,061.36 is: 157,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,646.72 : 257,577.64 = 114,061.36 : x
  2. Step 2: Convert to fraction form
    186,646.72/257,577.64 = 114,061.36/x
  3. Step 3: Cross multiply
    186,646.72x = 257,577.64 × 114,061.36
  4. Step 4: Simplify right side
    186,646.72x = 29,379,655,923.99
  5. Step 5: Solve for x
    x = 29,379,655,923.99/186,646.72
  6. Step 6: Final answer
    x = 157,407.83

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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.