Home / 217,353.39-326,031.21-98,941.92

Finding the Fourth Proportional to 217,353.39, 326,031.21 and 98,941.92

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Solution

The fourth proportional to 217,353.39, 326,031.21 and 98,941.92 is: 148,413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,353.39 : 326,031.21 = 98,941.92 : x
  2. Step 2: Convert to fraction form
    217,353.39/326,031.21 = 98,941.92/x
  3. Step 3: Cross multiply
    217,353.39x = 326,031.21 × 98,941.92
  4. Step 4: Simplify right side
    217,353.39x = 32,258,153,897.32
  5. Step 5: Solve for x
    x = 32,258,153,897.32/217,353.39
  6. Step 6: Final answer
    x = 148,413.39

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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.