Home / 156,218.17-215,580.65-84,598.18

Finding the Fourth Proportional to 156,218.17, 215,580.65 and 84,598.18

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Solution

The fourth proportional to 156,218.17, 215,580.65 and 84,598.18 is: 116,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,218.17 : 215,580.65 = 84,598.18 : x
  2. Step 2: Convert to fraction form
    156,218.17/215,580.65 = 84,598.18/x
  3. Step 3: Cross multiply
    156,218.17x = 215,580.65 × 84,598.18
  4. Step 4: Simplify right side
    156,218.17x = 18,237,730,633.22
  5. Step 5: Solve for x
    x = 18,237,730,633.22/156,218.17
  6. Step 6: Final answer
    x = 116,745.26

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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.