Home / 158,191.49-218,406.14-141,166.45

Finding the Fourth Proportional to 158,191.49, 218,406.14 and 141,166.45

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Solution

The fourth proportional to 158,191.49, 218,406.14 and 141,166.45 is: 194,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,191.49 : 218,406.14 = 141,166.45 : x
  2. Step 2: Convert to fraction form
    158,191.49/218,406.14 = 141,166.45/x
  3. Step 3: Cross multiply
    158,191.49x = 218,406.14 × 141,166.45
  4. Step 4: Simplify right side
    158,191.49x = 30,831,619,009.18
  5. Step 5: Solve for x
    x = 30,831,619,009.18/158,191.49
  6. Step 6: Final answer
    x = 194,900.62

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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.