Home / 152,416.40-228,624.60-93,318.80

Finding the Fourth Proportional to 152,416.40, 228,624.60 and 93,318.80

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Solution

The fourth proportional to 152,416.40, 228,624.60 and 93,318.80 is: 139,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,416.40 : 228,624.60 = 93,318.80 : x
  2. Step 2: Convert to fraction form
    152,416.40/228,624.60 = 93,318.80/x
  3. Step 3: Cross multiply
    152,416.40x = 228,624.60 × 93,318.80
  4. Step 4: Simplify right side
    152,416.40x = 21,334,973,322.48
  5. Step 5: Solve for x
    x = 21,334,973,322.48/152,416.40
  6. Step 6: Final answer
    x = 139,978.20

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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.