Home / 116,319.87-160,520.00-66,015.63

Finding the Fourth Proportional to 116,319.87, 160,520.00 and 66,015.63

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Solution

The fourth proportional to 116,319.87, 160,520.00 and 66,015.63 is: 91,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,319.87 : 160,520.00 = 66,015.63 : x
  2. Step 2: Convert to fraction form
    116,319.87/160,520.00 = 66,015.63/x
  3. Step 3: Cross multiply
    116,319.87x = 160,520.00 × 66,015.63
  4. Step 4: Simplify right side
    116,319.87x = 10,596,828,597.52
  5. Step 5: Solve for x
    x = 10,596,828,597.52/116,319.87
  6. Step 6: Final answer
    x = 91,100.76

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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.