Home / 112,656.32-155,455.09-67,325.28

Finding the Fourth Proportional to 112,656.32, 155,455.09 and 67,325.28

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Solution

The fourth proportional to 112,656.32, 155,455.09 and 67,325.28 is: 92,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,656.32 : 155,455.09 = 67,325.28 : x
  2. Step 2: Convert to fraction form
    112,656.32/155,455.09 = 67,325.28/x
  3. Step 3: Cross multiply
    112,656.32x = 155,455.09 × 67,325.28
  4. Step 4: Simplify right side
    112,656.32x = 10,466,056,347.77
  5. Step 5: Solve for x
    x = 10,466,056,347.77/112,656.32
  6. Step 6: Final answer
    x = 92,902.53

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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.