Home / 230,484.18-345,777.05-70,561.32

Finding the Fourth Proportional to 230,484.18, 345,777.05 and 70,561.32

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Solution

The fourth proportional to 230,484.18, 345,777.05 and 70,561.32 is: 105,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,484.18 : 345,777.05 = 70,561.32 : x
  2. Step 2: Convert to fraction form
    230,484.18/345,777.05 = 70,561.32/x
  3. Step 3: Cross multiply
    230,484.18x = 345,777.05 × 70,561.32
  4. Step 4: Simplify right side
    230,484.18x = 24,398,485,073.71
  5. Step 5: Solve for x
    x = 24,398,485,073.71/230,484.18
  6. Step 6: Final answer
    x = 105,857.53

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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.