Home / 112,307.36-154,928.22-66,953.39

Finding the Fourth Proportional to 112,307.36, 154,928.22 and 66,953.39

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Solution

The fourth proportional to 112,307.36, 154,928.22 and 66,953.39 is: 92,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,307.36 : 154,928.22 = 66,953.39 : x
  2. Step 2: Convert to fraction form
    112,307.36/154,928.22 = 66,953.39/x
  3. Step 3: Cross multiply
    112,307.36x = 154,928.22 × 66,953.39
  4. Step 4: Simplify right side
    112,307.36x = 10,372,968,761.02
  5. Step 5: Solve for x
    x = 10,372,968,761.02/112,307.36
  6. Step 6: Final answer
    x = 92,362.33

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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.