Home / 194,622.15-291,878.55-61,543.20

Finding the Fourth Proportional to 194,622.15, 291,878.55 and 61,543.20

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Solution

The fourth proportional to 194,622.15, 291,878.55 and 61,543.20 is: 92,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,622.15 : 291,878.55 = 61,543.20 : x
  2. Step 2: Convert to fraction form
    194,622.15/291,878.55 = 61,543.20/x
  3. Step 3: Cross multiply
    194,622.15x = 291,878.55 × 61,543.20
  4. Step 4: Simplify right side
    194,622.15x = 17,963,139,978.36
  5. Step 5: Solve for x
    x = 17,963,139,978.36/194,622.15
  6. Step 6: Final answer
    x = 92,297.51

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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.