Home / 116,180.16-160,200.55-80,307.89

Finding the Fourth Proportional to 116,180.16, 160,200.55 and 80,307.89

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Solution

The fourth proportional to 116,180.16, 160,200.55 and 80,307.89 is: 110,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,180.16 : 160,200.55 = 80,307.89 : x
  2. Step 2: Convert to fraction form
    116,180.16/160,200.55 = 80,307.89/x
  3. Step 3: Cross multiply
    116,180.16x = 160,200.55 × 80,307.89
  4. Step 4: Simplify right side
    116,180.16x = 12,865,368,047.47
  5. Step 5: Solve for x
    x = 12,865,368,047.47/116,180.16
  6. Step 6: Final answer
    x = 110,736.36

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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.