Home / 245,845.43-368,911.53-103,681.94

Finding the Fourth Proportional to 245,845.43, 368,911.53 and 103,681.94

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Solution

The fourth proportional to 245,845.43, 368,911.53 and 103,681.94 is: 155,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,845.43 : 368,911.53 = 103,681.94 : x
  2. Step 2: Convert to fraction form
    245,845.43/368,911.53 = 103,681.94/x
  3. Step 3: Cross multiply
    245,845.43x = 368,911.53 × 103,681.94
  4. Step 4: Simplify right side
    245,845.43x = 38,249,463,118.77
  5. Step 5: Solve for x
    x = 38,249,463,118.77/245,845.43
  6. Step 6: Final answer
    x = 155,583.38

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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.