Home / 132,028.40-182,172.84-75,427.76

Finding the Fourth Proportional to 132,028.40, 182,172.84 and 75,427.76

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Solution

The fourth proportional to 132,028.40, 182,172.84 and 75,427.76 is: 104,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,028.40 : 182,172.84 = 75,427.76 : x
  2. Step 2: Convert to fraction form
    132,028.40/182,172.84 = 75,427.76/x
  3. Step 3: Cross multiply
    132,028.40x = 182,172.84 × 75,427.76
  4. Step 4: Simplify right side
    132,028.40x = 13,740,889,254.04
  5. Step 5: Solve for x
    x = 13,740,889,254.04/132,028.40
  6. Step 6: Final answer
    x = 104,075.25

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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.