Home / 131,187.08-196,779.95-113,363.58

Finding the Fourth Proportional to 131,187.08, 196,779.95 and 113,363.58

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Solution

The fourth proportional to 131,187.08, 196,779.95 and 113,363.58 is: 170,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,187.08 : 196,779.95 = 113,363.58 : x
  2. Step 2: Convert to fraction form
    131,187.08/196,779.95 = 113,363.58/x
  3. Step 3: Cross multiply
    131,187.08x = 196,779.95 × 113,363.58
  4. Step 4: Simplify right side
    131,187.08x = 22,307,679,037.40
  5. Step 5: Solve for x
    x = 22,307,679,037.40/131,187.08
  6. Step 6: Final answer
    x = 170,044.79

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1.5x scale

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.