Home / 188,192.16-259,703.28-103,307.04

Finding the Fourth Proportional to 188,192.16, 259,703.28 and 103,307.04

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Solution

The fourth proportional to 188,192.16, 259,703.28 and 103,307.04 is: 142,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,192.16 : 259,703.28 = 103,307.04 : x
  2. Step 2: Convert to fraction form
    188,192.16/259,703.28 = 103,307.04/x
  3. Step 3: Cross multiply
    188,192.16x = 259,703.28 × 103,307.04
  4. Step 4: Simplify right side
    188,192.16x = 26,829,177,135.09
  5. Step 5: Solve for x
    x = 26,829,177,135.09/188,192.16
  6. Step 6: Final answer
    x = 142,562.67

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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.