Home / 117,979.28-162,970.68-94,272.32

Finding the Fourth Proportional to 117,979.28, 162,970.68 and 94,272.32

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Solution

The fourth proportional to 117,979.28, 162,970.68 and 94,272.32 is: 130,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,979.28 : 162,970.68 = 94,272.32 : x
  2. Step 2: Convert to fraction form
    117,979.28/162,970.68 = 94,272.32/x
  3. Step 3: Cross multiply
    117,979.28x = 162,970.68 × 94,272.32
  4. Step 4: Simplify right side
    117,979.28x = 15,363,624,095.58
  5. Step 5: Solve for x
    x = 15,363,624,095.58/117,979.28
  6. Step 6: Final answer
    x = 130,223.07

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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.