Home / 150,795.03-208,100.64-86,270.34

Finding the Fourth Proportional to 150,795.03, 208,100.64 and 86,270.34

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Solution

The fourth proportional to 150,795.03, 208,100.64 and 86,270.34 is: 119,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,795.03 : 208,100.64 = 86,270.34 : x
  2. Step 2: Convert to fraction form
    150,795.03/208,100.64 = 86,270.34/x
  3. Step 3: Cross multiply
    150,795.03x = 208,100.64 × 86,270.34
  4. Step 4: Simplify right side
    150,795.03x = 17,952,912,967.02
  5. Step 5: Solve for x
    x = 17,952,912,967.02/150,795.03
  6. Step 6: Final answer
    x = 119,055.07

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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.