Home / 106,830.77-160,133.15-40,242.08

Finding the Fourth Proportional to 106,830.77, 160,133.15 and 40,242.08

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Solution

The fourth proportional to 106,830.77, 160,133.15 and 40,242.08 is: 60,320.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,830.77 : 160,133.15 = 40,242.08 : x
  2. Step 2: Convert to fraction form
    106,830.77/160,133.15 = 40,242.08/x
  3. Step 3: Cross multiply
    106,830.77x = 160,133.15 × 40,242.08
  4. Step 4: Simplify right side
    106,830.77x = 6,444,091,533.89
  5. Step 5: Solve for x
    x = 6,444,091,533.89/106,830.77
  6. Step 6: Final answer
    x = 60,320.56

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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.