Home / 116,066.20-160,112.40-75,803.53

Finding the Fourth Proportional to 116,066.20, 160,112.40 and 75,803.53

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Solution

The fourth proportional to 116,066.20, 160,112.40 and 75,803.53 is: 104,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,066.20 : 160,112.40 = 75,803.53 : x
  2. Step 2: Convert to fraction form
    116,066.20/160,112.40 = 75,803.53/x
  3. Step 3: Cross multiply
    116,066.20x = 160,112.40 × 75,803.53
  4. Step 4: Simplify right side
    116,066.20x = 12,137,085,116.77
  5. Step 5: Solve for x
    x = 12,137,085,116.77/116,066.20
  6. Step 6: Final answer
    x = 104,570.37

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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.