Home / 112,597.22-155,316.48-74,357.12

Finding the Fourth Proportional to 112,597.22, 155,316.48 and 74,357.12

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Solution

The fourth proportional to 112,597.22, 155,316.48 and 74,357.12 is: 102,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,597.22 : 155,316.48 = 74,357.12 : x
  2. Step 2: Convert to fraction form
    112,597.22/155,316.48 = 74,357.12/x
  3. Step 3: Cross multiply
    112,597.22x = 155,316.48 × 74,357.12
  4. Step 4: Simplify right side
    112,597.22x = 11,548,886,141.34
  5. Step 5: Solve for x
    x = 11,548,886,141.34/112,597.22
  6. Step 6: Final answer
    x = 102,568.13

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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.