Home / 312,005.28-430,566.08-168,765.14

Finding the Fourth Proportional to 312,005.28, 430,566.08 and 168,765.14

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Solution

The fourth proportional to 312,005.28, 430,566.08 and 168,765.14 is: 232,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,005.28 : 430,566.08 = 168,765.14 : x
  2. Step 2: Convert to fraction form
    312,005.28/430,566.08 = 168,765.14/x
  3. Step 3: Cross multiply
    312,005.28x = 430,566.08 × 168,765.14
  4. Step 4: Simplify right side
    312,005.28x = 72,664,544,770.45
  5. Step 5: Solve for x
    x = 72,664,544,770.45/312,005.28
  6. Step 6: Final answer
    x = 232,895.24

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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.