Home / 148,823.28-205,430.04-98,538.48

Finding the Fourth Proportional to 148,823.28, 205,430.04 and 98,538.48

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Solution

The fourth proportional to 148,823.28, 205,430.04 and 98,538.48 is: 136,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,823.28 : 205,430.04 = 98,538.48 : x
  2. Step 2: Convert to fraction form
    148,823.28/205,430.04 = 98,538.48/x
  3. Step 3: Cross multiply
    148,823.28x = 205,430.04 × 98,538.48
  4. Step 4: Simplify right side
    148,823.28x = 20,242,763,887.94
  5. Step 5: Solve for x
    x = 20,242,763,887.94/148,823.28
  6. Step 6: Final answer
    x = 136,018.80

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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.