Home / 156,741.33-216,369.23-105,823.01

Finding the Fourth Proportional to 156,741.33, 216,369.23 and 105,823.01

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Solution

The fourth proportional to 156,741.33, 216,369.23 and 105,823.01 is: 146,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.33 : 216,369.23 = 105,823.01 : x
  2. Step 2: Convert to fraction form
    156,741.33/216,369.23 = 105,823.01/x
  3. Step 3: Cross multiply
    156,741.33x = 216,369.23 × 105,823.01
  4. Step 4: Simplify right side
    156,741.33x = 22,896,841,579.02
  5. Step 5: Solve for x
    x = 22,896,841,579.02/156,741.33
  6. Step 6: Final answer
    x = 146,080.43

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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.