Home / 119,577.85-165,011.20-74,254.86

Finding the Fourth Proportional to 119,577.85, 165,011.20 and 74,254.86

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Solution

The fourth proportional to 119,577.85, 165,011.20 and 74,254.86 is: 102,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,577.85 : 165,011.20 = 74,254.86 : x
  2. Step 2: Convert to fraction form
    119,577.85/165,011.20 = 74,254.86/x
  3. Step 3: Cross multiply
    119,577.85x = 165,011.20 × 74,254.86
  4. Step 4: Simplify right side
    119,577.85x = 12,252,883,368.79
  5. Step 5: Solve for x
    x = 12,252,883,368.79/119,577.85
  6. Step 6: Final answer
    x = 102,467.84

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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.