Home / 186,630.16-279,959.28-53,509.36

Finding the Fourth Proportional to 186,630.16, 279,959.28 and 53,509.36

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Solution

The fourth proportional to 186,630.16, 279,959.28 and 53,509.36 is: 80,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,630.16 : 279,959.28 = 53,509.36 : x
  2. Step 2: Convert to fraction form
    186,630.16/279,959.28 = 53,509.36/x
  3. Step 3: Cross multiply
    186,630.16x = 279,959.28 × 53,509.36
  4. Step 4: Simplify right side
    186,630.16x = 14,980,441,898.86
  5. Step 5: Solve for x
    x = 14,980,441,898.86/186,630.16
  6. Step 6: Final answer
    x = 80,268.07

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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.