Home / 152,845.40-228,830.70-135,349.40

Finding the Fourth Proportional to 152,845.40, 228,830.70 and 135,349.40

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Solution

The fourth proportional to 152,845.40, 228,830.70 and 135,349.40 is: 202,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,845.40 : 228,830.70 = 135,349.40 : x
  2. Step 2: Convert to fraction form
    152,845.40/228,830.70 = 135,349.40/x
  3. Step 3: Cross multiply
    152,845.40x = 228,830.70 × 135,349.40
  4. Step 4: Simplify right side
    152,845.40x = 30,972,097,946.58
  5. Step 5: Solve for x
    x = 30,972,097,946.58/152,845.40
  6. Step 6: Final answer
    x = 202,636.77

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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.