Home / 156,153.10-215,491.03-84,533.11

Finding the Fourth Proportional to 156,153.10, 215,491.03 and 84,533.11

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Solution

The fourth proportional to 156,153.10, 215,491.03 and 84,533.11 is: 116,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.10 : 215,491.03 = 84,533.11 : x
  2. Step 2: Convert to fraction form
    156,153.10/215,491.03 = 84,533.11/x
  3. Step 3: Cross multiply
    156,153.10x = 215,491.03 × 84,533.11
  4. Step 4: Simplify right side
    156,153.10x = 18,216,126,943.00
  5. Step 5: Solve for x
    x = 18,216,126,943.00/156,153.10
  6. Step 6: Final answer
    x = 116,655.56

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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.