Home / 368,914.60-553,631.10-158,703.40

Finding the Fourth Proportional to 368,914.60, 553,631.10 and 158,703.40

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Solution

The fourth proportional to 368,914.60, 553,631.10 and 158,703.40 is: 238,166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,914.60 : 553,631.10 = 158,703.40 : x
  2. Step 2: Convert to fraction form
    368,914.60/553,631.10 = 158,703.40/x
  3. Step 3: Cross multiply
    368,914.60x = 553,631.10 × 158,703.40
  4. Step 4: Simplify right side
    368,914.60x = 87,863,137,915.74
  5. Step 5: Solve for x
    x = 87,863,137,915.74/368,914.60
  6. Step 6: Final answer
    x = 238,166.61

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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.