Home / 156,741.35-216,369.26-105,823.07

Finding the Fourth Proportional to 156,741.35, 216,369.26 and 105,823.07

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Solution

The fourth proportional to 156,741.35, 216,369.26 and 105,823.07 is: 146,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.35 : 216,369.26 = 105,823.07 : x
  2. Step 2: Convert to fraction form
    156,741.35/216,369.26 = 105,823.07/x
  3. Step 3: Cross multiply
    156,741.35x = 216,369.26 × 105,823.07
  4. Step 4: Simplify right side
    156,741.35x = 22,896,858,529.54
  5. Step 5: Solve for x
    x = 22,896,858,529.54/156,741.35
  6. Step 6: Final answer
    x = 146,080.52

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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.