Home / 369,183.10-553,406.64-156,004.78

Finding the Fourth Proportional to 369,183.10, 553,406.64 and 156,004.78

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Solution

The fourth proportional to 369,183.10, 553,406.64 and 156,004.78 is: 233,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,183.10 : 553,406.64 = 156,004.78 : x
  2. Step 2: Convert to fraction form
    369,183.10/553,406.64 = 156,004.78/x
  3. Step 3: Cross multiply
    369,183.10x = 553,406.64 × 156,004.78
  4. Step 4: Simplify right side
    369,183.10x = 86,334,081,123.74
  5. Step 5: Solve for x
    x = 86,334,081,123.74/369,183.10
  6. Step 6: Final answer
    x = 233,851.66

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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.