Home / 109,763.32-151,480.38-67,316.08

Finding the Fourth Proportional to 109,763.32, 151,480.38 and 67,316.08

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Solution

The fourth proportional to 109,763.32, 151,480.38 and 67,316.08 is: 92,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,763.32 : 151,480.38 = 67,316.08 : x
  2. Step 2: Convert to fraction form
    109,763.32/151,480.38 = 67,316.08/x
  3. Step 3: Cross multiply
    109,763.32x = 151,480.38 × 67,316.08
  4. Step 4: Simplify right side
    109,763.32x = 10,197,065,378.51
  5. Step 5: Solve for x
    x = 10,197,065,378.51/109,763.32
  6. Step 6: Final answer
    x = 92,900.48

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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.