Home / 112,333.32-155,020.26-61,346.46

Finding the Fourth Proportional to 112,333.32, 155,020.26 and 61,346.46

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Solution

The fourth proportional to 112,333.32, 155,020.26 and 61,346.46 is: 84,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,333.32 : 155,020.26 = 61,346.46 : x
  2. Step 2: Convert to fraction form
    112,333.32/155,020.26 = 61,346.46/x
  3. Step 3: Cross multiply
    112,333.32x = 155,020.26 × 61,346.46
  4. Step 4: Simplify right side
    112,333.32x = 9,509,944,179.28
  5. Step 5: Solve for x
    x = 9,509,944,179.28/112,333.32
  6. Step 6: Final answer
    x = 84,658.27

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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.