Home / 217,501.40-326,146.62-127,573.50

Finding the Fourth Proportional to 217,501.40, 326,146.62 and 127,573.50

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Solution

The fourth proportional to 217,501.40, 326,146.62 and 127,573.50 is: 191,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,501.40 : 326,146.62 = 127,573.50 : x
  2. Step 2: Convert to fraction form
    217,501.40/326,146.62 = 127,573.50/x
  3. Step 3: Cross multiply
    217,501.40x = 326,146.62 × 127,573.50
  4. Step 4: Simplify right side
    217,501.40x = 41,607,664,692.27
  5. Step 5: Solve for x
    x = 41,607,664,692.27/217,501.40
  6. Step 6: Final answer
    x = 191,298.38

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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.