Home / 195,235.58-292,742.40-76,842.74

Finding the Fourth Proportional to 195,235.58, 292,742.40 and 76,842.74

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Solution

The fourth proportional to 195,235.58, 292,742.40 and 76,842.74 is: 115,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,235.58 : 292,742.40 = 76,842.74 : x
  2. Step 2: Convert to fraction form
    195,235.58/292,742.40 = 76,842.74/x
  3. Step 3: Cross multiply
    195,235.58x = 292,742.40 × 76,842.74
  4. Step 4: Simplify right side
    195,235.58x = 22,495,128,130.18
  5. Step 5: Solve for x
    x = 22,495,128,130.18/195,235.58
  6. Step 6: Final answer
    x = 115,220.43

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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.