Home / 118,453.32-163,359.77-98,278.25

Finding the Fourth Proportional to 118,453.32, 163,359.77 and 98,278.25

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Solution

The fourth proportional to 118,453.32, 163,359.77 and 98,278.25 is: 135,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,453.32 : 163,359.77 = 98,278.25 : x
  2. Step 2: Convert to fraction form
    118,453.32/163,359.77 = 98,278.25/x
  3. Step 3: Cross multiply
    118,453.32x = 163,359.77 × 98,278.25
  4. Step 4: Simplify right side
    118,453.32x = 16,054,711,007.81
  5. Step 5: Solve for x
    x = 16,054,711,007.81/118,453.32
  6. Step 6: Final answer
    x = 135,536.18

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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.