Home / 112,597.47-155,316.83-74,357.37

Finding the Fourth Proportional to 112,597.47, 155,316.83 and 74,357.37

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Solution

The fourth proportional to 112,597.47, 155,316.83 and 74,357.37 is: 102,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,597.47 : 155,316.83 = 74,357.37 : x
  2. Step 2: Convert to fraction form
    112,597.47/155,316.83 = 74,357.37/x
  3. Step 3: Cross multiply
    112,597.47x = 155,316.83 × 74,357.37
  4. Step 4: Simplify right side
    112,597.47x = 11,548,950,623.75
  5. Step 5: Solve for x
    x = 11,548,950,623.75/112,597.47
  6. Step 6: Final answer
    x = 102,568.47

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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.