Home / 186,509.60-257,282.16-111,043.52

Finding the Fourth Proportional to 186,509.60, 257,282.16 and 111,043.52

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Solution

The fourth proportional to 186,509.60, 257,282.16 and 111,043.52 is: 153,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,509.60 : 257,282.16 = 111,043.52 : x
  2. Step 2: Convert to fraction form
    186,509.60/257,282.16 = 111,043.52/x
  3. Step 3: Cross multiply
    186,509.60x = 257,282.16 × 111,043.52
  4. Step 4: Simplify right side
    186,509.60x = 28,569,516,679.60
  5. Step 5: Solve for x
    x = 28,569,516,679.60/186,509.60
  6. Step 6: Final answer
    x = 153,179.87

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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.