Home / 109,114.64-163,670.70-30,225.92

Finding the Fourth Proportional to 109,114.64, 163,670.70 and 30,225.92

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Solution

The fourth proportional to 109,114.64, 163,670.70 and 30,225.92 is: 45,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,114.64 : 163,670.70 = 30,225.92 : x
  2. Step 2: Convert to fraction form
    109,114.64/163,670.70 = 30,225.92/x
  3. Step 3: Cross multiply
    109,114.64x = 163,670.70 × 30,225.92
  4. Step 4: Simplify right side
    109,114.64x = 4,947,097,484.54
  5. Step 5: Solve for x
    x = 4,947,097,484.54/109,114.64
  6. Step 6: Final answer
    x = 45,338.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.