Home / 219,415.32-329,242.05-93,126.60

Finding the Fourth Proportional to 219,415.32, 329,242.05 and 93,126.60

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Solution

The fourth proportional to 219,415.32, 329,242.05 and 93,126.60 is: 139,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,415.32 : 329,242.05 = 93,126.60 : x
  2. Step 2: Convert to fraction form
    219,415.32/329,242.05 = 93,126.60/x
  3. Step 3: Cross multiply
    219,415.32x = 329,242.05 × 93,126.60
  4. Step 4: Simplify right side
    219,415.32x = 30,661,192,693.53
  5. Step 5: Solve for x
    x = 30,661,192,693.53/219,415.32
  6. Step 6: Final answer
    x = 139,740.44

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1.5x scale

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.