Home / 174,714.32-262,207.56-121,779.20

Finding the Fourth Proportional to 174,714.32, 262,207.56 and 121,779.20

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Solution

The fourth proportional to 174,714.32, 262,207.56 and 121,779.20 is: 182,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,714.32 : 262,207.56 = 121,779.20 : x
  2. Step 2: Convert to fraction form
    174,714.32/262,207.56 = 121,779.20/x
  3. Step 3: Cross multiply
    174,714.32x = 262,207.56 × 121,779.20
  4. Step 4: Simplify right side
    174,714.32x = 31,931,426,890.75
  5. Step 5: Solve for x
    x = 31,931,426,890.75/174,714.32
  6. Step 6: Final answer
    x = 182,763.65

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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.