Home / 148,532.84-204,986.64-84,003.35

Finding the Fourth Proportional to 148,532.84, 204,986.64 and 84,003.35

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Solution

The fourth proportional to 148,532.84, 204,986.64 and 84,003.35 is: 115,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,532.84 : 204,986.64 = 84,003.35 : x
  2. Step 2: Convert to fraction form
    148,532.84/204,986.64 = 84,003.35/x
  3. Step 3: Cross multiply
    148,532.84x = 204,986.64 × 84,003.35
  4. Step 4: Simplify right side
    148,532.84x = 17,219,564,894.25
  5. Step 5: Solve for x
    x = 17,219,564,894.25/148,532.84
  6. Step 6: Final answer
    x = 115,931.03

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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.