Home / 118,275.84-163,258.56-68,008.32

Finding the Fourth Proportional to 118,275.84, 163,258.56 and 68,008.32

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Solution

The fourth proportional to 118,275.84, 163,258.56 and 68,008.32 is: 93,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,275.84 : 163,258.56 = 68,008.32 : x
  2. Step 2: Convert to fraction form
    118,275.84/163,258.56 = 68,008.32/x
  3. Step 3: Cross multiply
    118,275.84x = 163,258.56 × 68,008.32
  4. Step 4: Simplify right side
    118,275.84x = 11,102,940,391.22
  5. Step 5: Solve for x
    x = 11,102,940,391.22/118,275.84
  6. Step 6: Final answer
    x = 93,873.27

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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.