Home / 142,534.28-213,799.18-49,040.84

Finding the Fourth Proportional to 142,534.28, 213,799.18 and 49,040.84

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Solution

The fourth proportional to 142,534.28, 213,799.18 and 49,040.84 is: 73,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,534.28 : 213,799.18 = 49,040.84 : x
  2. Step 2: Convert to fraction form
    142,534.28/213,799.18 = 49,040.84/x
  3. Step 3: Cross multiply
    142,534.28x = 213,799.18 × 49,040.84
  4. Step 4: Simplify right side
    142,534.28x = 10,484,891,378.51
  5. Step 5: Solve for x
    x = 10,484,891,378.51/142,534.28
  6. Step 6: Final answer
    x = 73,560.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.