Home / 112,655.32-155,453.71-67,324.28

Finding the Fourth Proportional to 112,655.32, 155,453.71 and 67,324.28

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Solution

The fourth proportional to 112,655.32, 155,453.71 and 67,324.28 is: 92,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,655.32 : 155,453.71 = 67,324.28 : x
  2. Step 2: Convert to fraction form
    112,655.32/155,453.71 = 67,324.28/x
  3. Step 3: Cross multiply
    112,655.32x = 155,453.71 × 67,324.28
  4. Step 4: Simplify right side
    112,655.32x = 10,465,807,985.19
  5. Step 5: Solve for x
    x = 10,465,807,985.19/112,655.32
  6. Step 6: Final answer
    x = 92,901.15

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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.