Home / 176,697.12-243,841.92-101,289.36

Finding the Fourth Proportional to 176,697.12, 243,841.92 and 101,289.36

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Solution

The fourth proportional to 176,697.12, 243,841.92 and 101,289.36 is: 139,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,697.12 : 243,841.92 = 101,289.36 : x
  2. Step 2: Convert to fraction form
    176,697.12/243,841.92 = 101,289.36/x
  3. Step 3: Cross multiply
    176,697.12x = 243,841.92 × 101,289.36
  4. Step 4: Simplify right side
    176,697.12x = 24,698,592,017.97
  5. Step 5: Solve for x
    x = 24,698,592,017.97/176,697.12
  6. Step 6: Final answer
    x = 139,779.26

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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.