Home / 186,447.43-257,278.28-104,762.71

Finding the Fourth Proportional to 186,447.43, 257,278.28 and 104,762.71

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Solution

The fourth proportional to 186,447.43, 257,278.28 and 104,762.71 is: 144,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,447.43 : 257,278.28 = 104,762.71 : x
  2. Step 2: Convert to fraction form
    186,447.43/257,278.28 = 104,762.71/x
  3. Step 3: Cross multiply
    186,447.43x = 257,278.28 × 104,762.71
  4. Step 4: Simplify right side
    186,447.43x = 26,953,168,669.93
  5. Step 5: Solve for x
    x = 26,953,168,669.93/186,447.43
  6. Step 6: Final answer
    x = 144,561.76

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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.