Home / 156,057.69-215,336.53-94,772.01

Finding the Fourth Proportional to 156,057.69, 215,336.53 and 94,772.01

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Solution

The fourth proportional to 156,057.69, 215,336.53 and 94,772.01 is: 130,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,057.69 : 215,336.53 = 94,772.01 : x
  2. Step 2: Convert to fraction form
    156,057.69/215,336.53 = 94,772.01/x
  3. Step 3: Cross multiply
    156,057.69x = 215,336.53 × 94,772.01
  4. Step 4: Simplify right side
    156,057.69x = 20,407,875,300.67
  5. Step 5: Solve for x
    x = 20,407,875,300.67/156,057.69
  6. Step 6: Final answer
    x = 130,771.35

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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.