Home / 116,534.44-160,830.90-64,856.68

Finding the Fourth Proportional to 116,534.44, 160,830.90 and 64,856.68

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Solution

The fourth proportional to 116,534.44, 160,830.90 and 64,856.68 is: 89,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,534.44 : 160,830.90 = 64,856.68 : x
  2. Step 2: Convert to fraction form
    116,534.44/160,830.90 = 64,856.68/x
  3. Step 3: Cross multiply
    116,534.44x = 160,830.90 × 64,856.68
  4. Step 4: Simplify right side
    116,534.44x = 10,430,958,215.41
  5. Step 5: Solve for x
    x = 10,430,958,215.41/116,534.44
  6. Step 6: Final answer
    x = 89,509.66

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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.