Home / 116,153.39-160,232.58-75,890.72

Finding the Fourth Proportional to 116,153.39, 160,232.58 and 75,890.72

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Solution

The fourth proportional to 116,153.39, 160,232.58 and 75,890.72 is: 104,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,153.39 : 160,232.58 = 75,890.72 : x
  2. Step 2: Convert to fraction form
    116,153.39/160,232.58 = 75,890.72/x
  3. Step 3: Cross multiply
    116,153.39x = 160,232.58 × 75,890.72
  4. Step 4: Simplify right side
    116,153.39x = 12,160,165,062.49
  5. Step 5: Solve for x
    x = 12,160,165,062.49/116,153.39
  6. Step 6: Final answer
    x = 104,690.58

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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.