Home / 388,104.03-535,364.82-233,015.67

Finding the Fourth Proportional to 388,104.03, 535,364.82 and 233,015.67

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Solution

The fourth proportional to 388,104.03, 535,364.82 and 233,015.67 is: 321,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,104.03 : 535,364.82 = 233,015.67 : x
  2. Step 2: Convert to fraction form
    388,104.03/535,364.82 = 233,015.67/x
  3. Step 3: Cross multiply
    388,104.03x = 535,364.82 × 233,015.67
  4. Step 4: Simplify right side
    388,104.03x = 124,748,392,226.73
  5. Step 5: Solve for x
    x = 124,748,392,226.73/388,104.03
  6. Step 6: Final answer
    x = 321,430.29

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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.