Home / 156,439.76-232,647.05-151,457.51

Finding the Fourth Proportional to 156,439.76, 232,647.05 and 151,457.51

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Solution

The fourth proportional to 156,439.76, 232,647.05 and 151,457.51 is: 225,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,439.76 : 232,647.05 = 151,457.51 : x
  2. Step 2: Convert to fraction form
    156,439.76/232,647.05 = 151,457.51/x
  3. Step 3: Cross multiply
    156,439.76x = 232,647.05 × 151,457.51
  4. Step 4: Simplify right side
    156,439.76x = 35,236,143,862.11
  5. Step 5: Solve for x
    x = 35,236,143,862.11/156,439.76
  6. Step 6: Final answer
    x = 225,237.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.