Home / 116,238.85-160,368.36-75,975.86

Finding the Fourth Proportional to 116,238.85, 160,368.36 and 75,975.86

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Solution

The fourth proportional to 116,238.85, 160,368.36 and 75,975.86 is: 104,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,238.85 : 160,368.36 = 75,975.86 : x
  2. Step 2: Convert to fraction form
    116,238.85/160,368.36 = 75,975.86/x
  3. Step 3: Cross multiply
    116,238.85x = 160,368.36 × 75,975.86
  4. Step 4: Simplify right side
    116,238.85x = 12,184,123,281.73
  5. Step 5: Solve for x
    x = 12,184,123,281.73/116,238.85
  6. Step 6: Final answer
    x = 104,819.72

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1.5x scale

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.