Home / 113,173.02-156,178.74-62,189.04

Finding the Fourth Proportional to 113,173.02, 156,178.74 and 62,189.04

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Solution

The fourth proportional to 113,173.02, 156,178.74 and 62,189.04 is: 85,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,173.02 : 156,178.74 = 62,189.04 : x
  2. Step 2: Convert to fraction form
    113,173.02/156,178.74 = 62,189.04/x
  3. Step 3: Cross multiply
    113,173.02x = 156,178.74 × 62,189.04
  4. Step 4: Simplify right side
    113,173.02x = 9,712,605,285.35
  5. Step 5: Solve for x
    x = 9,712,605,285.35/113,173.02
  6. Step 6: Final answer
    x = 85,820.85

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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.