Home / 152,237.40-228,561.30-89,122.20

Finding the Fourth Proportional to 152,237.40, 228,561.30 and 89,122.20

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Solution

The fourth proportional to 152,237.40, 228,561.30 and 89,122.20 is: 133,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,237.40 : 228,561.30 = 89,122.20 : x
  2. Step 2: Convert to fraction form
    152,237.40/228,561.30 = 89,122.20/x
  3. Step 3: Cross multiply
    152,237.40x = 228,561.30 × 89,122.20
  4. Step 4: Simplify right side
    152,237.40x = 20,369,885,890.86
  5. Step 5: Solve for x
    x = 20,369,885,890.86/152,237.40
  6. Step 6: Final answer
    x = 133,803.43

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1.5x scale

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.