Home / 346,913.94-478,765.44-193,981.92

Finding the Fourth Proportional to 346,913.94, 478,765.44 and 193,981.92

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Solution

The fourth proportional to 346,913.94, 478,765.44 and 193,981.92 is: 267,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,913.94 : 478,765.44 = 193,981.92 : x
  2. Step 2: Convert to fraction form
    346,913.94/478,765.44 = 193,981.92/x
  3. Step 3: Cross multiply
    346,913.94x = 478,765.44 × 193,981.92
  4. Step 4: Simplify right side
    346,913.94x = 92,871,839,280.84
  5. Step 5: Solve for x
    x = 92,871,839,280.84/346,913.94
  6. Step 6: Final answer
    x = 267,708.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.