Home / 369,155.59-553,764.65-102,916.35

Finding the Fourth Proportional to 369,155.59, 553,764.65 and 102,916.35

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Solution

The fourth proportional to 369,155.59, 553,764.65 and 102,916.35 is: 154,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,155.59 : 553,764.65 = 102,916.35 : x
  2. Step 2: Convert to fraction form
    369,155.59/553,764.65 = 102,916.35/x
  3. Step 3: Cross multiply
    369,155.59x = 553,764.65 × 102,916.35
  4. Step 4: Simplify right side
    369,155.59x = 56,991,436,022.45
  5. Step 5: Solve for x
    x = 56,991,436,022.45/369,155.59
  6. Step 6: Final answer
    x = 154,383.24

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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.