Home / 112,259.28-154,915.44-61,270.32

Finding the Fourth Proportional to 112,259.28, 154,915.44 and 61,270.32

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Solution

The fourth proportional to 112,259.28, 154,915.44 and 61,270.32 is: 84,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,259.28 : 154,915.44 = 61,270.32 : x
  2. Step 2: Convert to fraction form
    112,259.28/154,915.44 = 61,270.32/x
  3. Step 3: Cross multiply
    112,259.28x = 154,915.44 × 61,270.32
  4. Step 4: Simplify right side
    112,259.28x = 9,491,718,581.74
  5. Step 5: Solve for x
    x = 9,491,718,581.74/112,259.28
  6. Step 6: Final answer
    x = 84,551.75

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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.