Home / 148,693.16-205,128.12-94,951.28

Finding the Fourth Proportional to 148,693.16, 205,128.12 and 94,951.28

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Solution

The fourth proportional to 148,693.16, 205,128.12 and 94,951.28 is: 130,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,693.16 : 205,128.12 = 94,951.28 : x
  2. Step 2: Convert to fraction form
    148,693.16/205,128.12 = 94,951.28/x
  3. Step 3: Cross multiply
    148,693.16x = 205,128.12 × 94,951.28
  4. Step 4: Simplify right side
    148,693.16x = 19,477,177,557.99
  5. Step 5: Solve for x
    x = 19,477,177,557.99/148,693.16
  6. Step 6: Final answer
    x = 130,989.06

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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.