Home / 174,779.12-262,002.58-111,421.43

Finding the Fourth Proportional to 174,779.12, 262,002.58 and 111,421.43

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Solution

The fourth proportional to 174,779.12, 262,002.58 and 111,421.43 is: 167,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,779.12 : 262,002.58 = 111,421.43 : x
  2. Step 2: Convert to fraction form
    174,779.12/262,002.58 = 111,421.43/x
  3. Step 3: Cross multiply
    174,779.12x = 262,002.58 × 111,421.43
  4. Step 4: Simplify right side
    174,779.12x = 29,192,700,260.17
  5. Step 5: Solve for x
    x = 29,192,700,260.17/174,779.12
  6. Step 6: Final answer
    x = 167,026.25

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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.