Home / 155,119.05-214,058.70-94,791.06

Finding the Fourth Proportional to 155,119.05, 214,058.70 and 94,791.06

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Solution

The fourth proportional to 155,119.05, 214,058.70 and 94,791.06 is: 130,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,119.05 : 214,058.70 = 94,791.06 : x
  2. Step 2: Convert to fraction form
    155,119.05/214,058.70 = 94,791.06/x
  3. Step 3: Cross multiply
    155,119.05x = 214,058.70 × 94,791.06
  4. Step 4: Simplify right side
    155,119.05x = 20,290,851,075.22
  5. Step 5: Solve for x
    x = 20,290,851,075.22/155,119.05
  6. Step 6: Final answer
    x = 130,808.25

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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.