Home / 205,623.60-308,435.40-93,260.40

Finding the Fourth Proportional to 205,623.60, 308,435.40 and 93,260.40

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Solution

The fourth proportional to 205,623.60, 308,435.40 and 93,260.40 is: 139,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,623.60 : 308,435.40 = 93,260.40 : x
  2. Step 2: Convert to fraction form
    205,623.60/308,435.40 = 93,260.40/x
  3. Step 3: Cross multiply
    205,623.60x = 308,435.40 × 93,260.40
  4. Step 4: Simplify right side
    205,623.60x = 28,764,808,778.16
  5. Step 5: Solve for x
    x = 28,764,808,778.16/205,623.60
  6. Step 6: Final answer
    x = 139,890.60

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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.