Home / 156,153.32-215,491.66-84,533.34

Finding the Fourth Proportional to 156,153.32, 215,491.66 and 84,533.34

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Solution

The fourth proportional to 156,153.32, 215,491.66 and 84,533.34 is: 116,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.32 : 215,491.66 = 84,533.34 : x
  2. Step 2: Convert to fraction form
    156,153.32/215,491.66 = 84,533.34/x
  3. Step 3: Cross multiply
    156,153.32x = 215,491.66 × 84,533.34
  4. Step 4: Simplify right side
    156,153.32x = 18,216,230,117.74
  5. Step 5: Solve for x
    x = 18,216,230,117.74/156,153.32
  6. Step 6: Final answer
    x = 116,656.05

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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.