Home / 236,603.87-326,498.14-129,173.67

Finding the Fourth Proportional to 236,603.87, 326,498.14 and 129,173.67

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Solution

The fourth proportional to 236,603.87, 326,498.14 and 129,173.67 is: 178,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,603.87 : 326,498.14 = 129,173.67 : x
  2. Step 2: Convert to fraction form
    236,603.87/326,498.14 = 129,173.67/x
  3. Step 3: Cross multiply
    236,603.87x = 326,498.14 × 129,173.67
  4. Step 4: Simplify right side
    236,603.87x = 42,174,962,669.04
  5. Step 5: Solve for x
    x = 42,174,962,669.04/236,603.87
  6. Step 6: Final answer
    x = 178,251.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.