Home / 156,714.85-235,173.08-86,644.45

Finding the Fourth Proportional to 156,714.85, 235,173.08 and 86,644.45

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Solution

The fourth proportional to 156,714.85, 235,173.08 and 86,644.45 is: 130,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,714.85 : 235,173.08 = 86,644.45 : x
  2. Step 2: Convert to fraction form
    156,714.85/235,173.08 = 86,644.45/x
  3. Step 3: Cross multiply
    156,714.85x = 235,173.08 × 86,644.45
  4. Step 4: Simplify right side
    156,714.85x = 20,376,442,171.41
  5. Step 5: Solve for x
    x = 20,376,442,171.41/156,714.85
  6. Step 6: Final answer
    x = 130,022.41

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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.