Home / 152,213.40-228,320.10-93,018.60

Finding the Fourth Proportional to 152,213.40, 228,320.10 and 93,018.60

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Solution

The fourth proportional to 152,213.40, 228,320.10 and 93,018.60 is: 139,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,213.40 : 228,320.10 = 93,018.60 : x
  2. Step 2: Convert to fraction form
    152,213.40/228,320.10 = 93,018.60/x
  3. Step 3: Cross multiply
    152,213.40x = 228,320.10 × 93,018.60
  4. Step 4: Simplify right side
    152,213.40x = 21,238,016,053.86
  5. Step 5: Solve for x
    x = 21,238,016,053.86/152,213.40
  6. Step 6: Final answer
    x = 139,527.90

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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.