Home / 111,726.10-154,156.26-69,264.28

Finding the Fourth Proportional to 111,726.10, 154,156.26 and 69,264.28

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Solution

The fourth proportional to 111,726.10, 154,156.26 and 69,264.28 is: 95,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,726.10 : 154,156.26 = 69,264.28 : x
  2. Step 2: Convert to fraction form
    111,726.10/154,156.26 = 69,264.28/x
  3. Step 3: Cross multiply
    111,726.10x = 154,156.26 × 69,264.28
  4. Step 4: Simplify right side
    111,726.10x = 10,677,522,356.39
  5. Step 5: Solve for x
    x = 10,677,522,356.39/111,726.10
  6. Step 6: Final answer
    x = 95,568.74

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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.