Home / 217,748.80-326,623.20-93,102.40

Finding the Fourth Proportional to 217,748.80, 326,623.20 and 93,102.40

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Solution

The fourth proportional to 217,748.80, 326,623.20 and 93,102.40 is: 139,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,748.80 : 326,623.20 = 93,102.40 : x
  2. Step 2: Convert to fraction form
    217,748.80/326,623.20 = 93,102.40/x
  3. Step 3: Cross multiply
    217,748.80x = 326,623.20 × 93,102.40
  4. Step 4: Simplify right side
    217,748.80x = 30,409,403,815.68
  5. Step 5: Solve for x
    x = 30,409,403,815.68/217,748.80
  6. Step 6: Final answer
    x = 139,653.60

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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.