Home / 148,886.84-205,571.10-91,603.24

Finding the Fourth Proportional to 148,886.84, 205,571.10 and 91,603.24

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Solution

The fourth proportional to 148,886.84, 205,571.10 and 91,603.24 is: 126,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,886.84 : 205,571.10 = 91,603.24 : x
  2. Step 2: Convert to fraction form
    148,886.84/205,571.10 = 91,603.24/x
  3. Step 3: Cross multiply
    148,886.84x = 205,571.10 × 91,603.24
  4. Step 4: Simplify right side
    148,886.84x = 18,830,978,810.36
  5. Step 5: Solve for x
    x = 18,830,978,810.36/148,886.84
  6. Step 6: Final answer
    x = 126,478.46

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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.