Home / 102,777.06-154,196.64-48,783.18

Finding the Fourth Proportional to 102,777.06, 154,196.64 and 48,783.18

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Solution

The fourth proportional to 102,777.06, 154,196.64 and 48,783.18 is: 73,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,777.06 : 154,196.64 = 48,783.18 : x
  2. Step 2: Convert to fraction form
    102,777.06/154,196.64 = 48,783.18/x
  3. Step 3: Cross multiply
    102,777.06x = 154,196.64 × 48,783.18
  4. Step 4: Simplify right side
    102,777.06x = 7,522,202,444.52
  5. Step 5: Solve for x
    x = 7,522,202,444.52/102,777.06
  6. Step 6: Final answer
    x = 73,189.51

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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.