Home / 170,509.48-235,217.46-120,237.64

Finding the Fourth Proportional to 170,509.48, 235,217.46 and 120,237.64

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Solution

The fourth proportional to 170,509.48, 235,217.46 and 120,237.64 is: 165,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,509.48 : 235,217.46 = 120,237.64 : x
  2. Step 2: Convert to fraction form
    170,509.48/235,217.46 = 120,237.64/x
  3. Step 3: Cross multiply
    170,509.48x = 235,217.46 × 120,237.64
  4. Step 4: Simplify right side
    170,509.48x = 28,281,992,277.19
  5. Step 5: Solve for x
    x = 28,281,992,277.19/170,509.48
  6. Step 6: Final answer
    x = 165,867.57

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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.