Home / 185,416.32-278,135.55-52,307.94

Finding the Fourth Proportional to 185,416.32, 278,135.55 and 52,307.94

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Solution

The fourth proportional to 185,416.32, 278,135.55 and 52,307.94 is: 78,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,416.32 : 278,135.55 = 52,307.94 : x
  2. Step 2: Convert to fraction form
    185,416.32/278,135.55 = 52,307.94/x
  3. Step 3: Cross multiply
    185,416.32x = 278,135.55 × 52,307.94
  4. Step 4: Simplify right side
    185,416.32x = 14,548,697,661.27
  5. Step 5: Solve for x
    x = 14,548,697,661.27/185,416.32
  6. Step 6: Final answer
    x = 78,465.03

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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.