Home / 152,208.40-228,312.60-82,224.40

Finding the Fourth Proportional to 152,208.40, 228,312.60 and 82,224.40

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Solution

The fourth proportional to 152,208.40, 228,312.60 and 82,224.40 is: 123,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,208.40 : 228,312.60 = 82,224.40 : x
  2. Step 2: Convert to fraction form
    152,208.40/228,312.60 = 82,224.40/x
  3. Step 3: Cross multiply
    152,208.40x = 228,312.60 × 82,224.40
  4. Step 4: Simplify right side
    152,208.40x = 18,772,866,547.44
  5. Step 5: Solve for x
    x = 18,772,866,547.44/152,208.40
  6. Step 6: Final answer
    x = 123,336.60

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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.