Home / 112,313.05-154,992.34-61,326.23

Finding the Fourth Proportional to 112,313.05, 154,992.34 and 61,326.23

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Solution

The fourth proportional to 112,313.05, 154,992.34 and 61,326.23 is: 84,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,313.05 : 154,992.34 = 61,326.23 : x
  2. Step 2: Convert to fraction form
    112,313.05/154,992.34 = 61,326.23/x
  3. Step 3: Cross multiply
    112,313.05x = 154,992.34 × 61,326.23
  4. Step 4: Simplify right side
    112,313.05x = 9,505,095,192.77
  5. Step 5: Solve for x
    x = 9,505,095,192.77/112,313.05
  6. Step 6: Final answer
    x = 84,630.37

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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.