Home / 369,126.60-553,186.49-188,834.55

Finding the Fourth Proportional to 369,126.60, 553,186.49 and 188,834.55

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Solution

The fourth proportional to 369,126.60, 553,186.49 and 188,834.55 is: 282,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,126.60 : 553,186.49 = 188,834.55 : x
  2. Step 2: Convert to fraction form
    369,126.60/553,186.49 = 188,834.55/x
  3. Step 3: Cross multiply
    369,126.60x = 553,186.49 × 188,834.55
  4. Step 4: Simplify right side
    369,126.60x = 104,460,721,258.24
  5. Step 5: Solve for x
    x = 104,460,721,258.24/369,126.60
  6. Step 6: Final answer
    x = 282,994.29

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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.