Home / 311,835.56-430,332.96-168,595.56

Finding the Fourth Proportional to 311,835.56, 430,332.96 and 168,595.56

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Solution

The fourth proportional to 311,835.56, 430,332.96 and 168,595.56 is: 232,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,835.56 : 430,332.96 = 168,595.56 : x
  2. Step 2: Convert to fraction form
    311,835.56/430,332.96 = 168,595.56/x
  3. Step 3: Cross multiply
    311,835.56x = 430,332.96 × 168,595.56
  4. Step 4: Simplify right side
    311,835.56x = 72,552,226,377.66
  5. Step 5: Solve for x
    x = 72,552,226,377.66/311,835.56
  6. Step 6: Final answer
    x = 232,661.81

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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.