Home / 311,981.33-430,533.85-168,741.03

Finding the Fourth Proportional to 311,981.33, 430,533.85 and 168,741.03

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Solution

The fourth proportional to 311,981.33, 430,533.85 and 168,741.03 is: 232,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,981.33 : 430,533.85 = 168,741.03 : x
  2. Step 2: Convert to fraction form
    311,981.33/430,533.85 = 168,741.03/x
  3. Step 3: Cross multiply
    311,981.33x = 430,533.85 × 168,741.03
  4. Step 4: Simplify right side
    311,981.33x = 72,648,725,298.87
  5. Step 5: Solve for x
    x = 72,648,725,298.87/311,981.33
  6. Step 6: Final answer
    x = 232,862.41

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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.