Home / 152,667.40-229,022.70-47,475.40

Finding the Fourth Proportional to 152,667.40, 229,022.70 and 47,475.40

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Solution

The fourth proportional to 152,667.40, 229,022.70 and 47,475.40 is: 71,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,667.40 : 229,022.70 = 47,475.40 : x
  2. Step 2: Convert to fraction form
    152,667.40/229,022.70 = 47,475.40/x
  3. Step 3: Cross multiply
    152,667.40x = 229,022.70 × 47,475.40
  4. Step 4: Simplify right side
    152,667.40x = 10,872,944,291.58
  5. Step 5: Solve for x
    x = 10,872,944,291.58/152,667.40
  6. Step 6: Final answer
    x = 71,219.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.