Home / 112,161.36-154,773.54-61,860.36

Finding the Fourth Proportional to 112,161.36, 154,773.54 and 61,860.36

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Solution

The fourth proportional to 112,161.36, 154,773.54 and 61,860.36 is: 85,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,161.36 : 154,773.54 = 61,860.36 : x
  2. Step 2: Convert to fraction form
    112,161.36/154,773.54 = 61,860.36/x
  3. Step 3: Cross multiply
    112,161.36x = 154,773.54 × 61,860.36
  4. Step 4: Simplify right side
    112,161.36x = 9,574,346,902.87
  5. Step 5: Solve for x
    x = 9,574,346,902.87/112,161.36
  6. Step 6: Final answer
    x = 85,362.26

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1.5x scale

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.