Home / 152,801.14-210,865.50-89,126.62

Finding the Fourth Proportional to 152,801.14, 210,865.50 and 89,126.62

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Solution

The fourth proportional to 152,801.14, 210,865.50 and 89,126.62 is: 122,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,801.14 : 210,865.50 = 89,126.62 : x
  2. Step 2: Convert to fraction form
    152,801.14/210,865.50 = 89,126.62/x
  3. Step 3: Cross multiply
    152,801.14x = 210,865.50 × 89,126.62
  4. Step 4: Simplify right side
    152,801.14x = 18,793,729,289.61
  5. Step 5: Solve for x
    x = 18,793,729,289.61/152,801.14
  6. Step 6: Final answer
    x = 122,994.69

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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.