Home / 170,820.60-235,830.78-113,537.58

Finding the Fourth Proportional to 170,820.60, 235,830.78 and 113,537.58

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Solution

The fourth proportional to 170,820.60, 235,830.78 and 113,537.58 is: 156,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,820.60 : 235,830.78 = 113,537.58 : x
  2. Step 2: Convert to fraction form
    170,820.60/235,830.78 = 113,537.58/x
  3. Step 3: Cross multiply
    170,820.60x = 235,830.78 × 113,537.58
  4. Step 4: Simplify right side
    170,820.60x = 26,775,656,050.71
  5. Step 5: Solve for x
    x = 26,775,656,050.71/170,820.60
  6. Step 6: Final answer
    x = 156,747.23

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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.