Home / 190,909.84-286,374.64-48,756.44

Finding the Fourth Proportional to 190,909.84, 286,374.64 and 48,756.44

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Solution

The fourth proportional to 190,909.84, 286,374.64 and 48,756.44 is: 73,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,909.84 : 286,374.64 = 48,756.44 : x
  2. Step 2: Convert to fraction form
    190,909.84/286,374.64 = 48,756.44/x
  3. Step 3: Cross multiply
    190,909.84x = 286,374.64 × 48,756.44
  4. Step 4: Simplify right side
    190,909.84x = 13,962,607,952.68
  5. Step 5: Solve for x
    x = 13,962,607,952.68/190,909.84
  6. Step 6: Final answer
    x = 73,137.18

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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.