Home / 122,643.10-183,964.65-101,907.10

Finding the Fourth Proportional to 122,643.10, 183,964.65 and 101,907.10

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Solution

The fourth proportional to 122,643.10, 183,964.65 and 101,907.10 is: 152,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,643.10 : 183,964.65 = 101,907.10 : x
  2. Step 2: Convert to fraction form
    122,643.10/183,964.65 = 101,907.10/x
  3. Step 3: Cross multiply
    122,643.10x = 183,964.65 × 101,907.10
  4. Step 4: Simplify right side
    122,643.10x = 18,747,303,984.02
  5. Step 5: Solve for x
    x = 18,747,303,984.02/122,643.10
  6. Step 6: Final answer
    x = 152,860.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.