Home / 116,535.59-160,909.60-90,997.67

Finding the Fourth Proportional to 116,535.59, 160,909.60 and 90,997.67

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Solution

The fourth proportional to 116,535.59, 160,909.60 and 90,997.67 is: 125,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,535.59 : 160,909.60 = 90,997.67 : x
  2. Step 2: Convert to fraction form
    116,535.59/160,909.60 = 90,997.67/x
  3. Step 3: Cross multiply
    116,535.59x = 160,909.60 × 90,997.67
  4. Step 4: Simplify right side
    116,535.59x = 14,642,398,680.63
  5. Step 5: Solve for x
    x = 14,642,398,680.63/116,535.59
  6. Step 6: Final answer
    x = 125,647.44

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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.