Home / 186,628.64-279,941.92-46,387.20

Finding the Fourth Proportional to 186,628.64, 279,941.92 and 46,387.20

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Solution

The fourth proportional to 186,628.64, 279,941.92 and 46,387.20 is: 69,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,628.64 : 279,941.92 = 46,387.20 : x
  2. Step 2: Convert to fraction form
    186,628.64/279,941.92 = 46,387.20/x
  3. Step 3: Cross multiply
    186,628.64x = 279,941.92 × 46,387.20
  4. Step 4: Simplify right side
    186,628.64x = 12,985,721,831.42
  5. Step 5: Solve for x
    x = 12,985,721,831.42/186,628.64
  6. Step 6: Final answer
    x = 69,580.54

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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.