Home / 156,989.49-235,466.72-43,146.02

Finding the Fourth Proportional to 156,989.49, 235,466.72 and 43,146.02

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Solution

The fourth proportional to 156,989.49, 235,466.72 and 43,146.02 is: 64,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,989.49 : 235,466.72 = 43,146.02 : x
  2. Step 2: Convert to fraction form
    156,989.49/235,466.72 = 43,146.02/x
  3. Step 3: Cross multiply
    156,989.49x = 235,466.72 × 43,146.02
  4. Step 4: Simplify right side
    156,989.49x = 10,159,452,345.19
  5. Step 5: Solve for x
    x = 10,159,452,345.19/156,989.49
  6. Step 6: Final answer
    x = 64,714.22

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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.