Home / 165,732.98-248,433-53,330.58

Finding the Fourth Proportional to 165,732.98, 248,433 and 53,330.58

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Solution

The fourth proportional to 165,732.98, 248,433 and 53,330.58 is: 79,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,732.98 : 248,433 = 53,330.58 : x
  2. Step 2: Convert to fraction form
    165,732.98/248,433 = 53,330.58/x
  3. Step 3: Cross multiply
    165,732.98x = 248,433 × 53,330.58
  4. Step 4: Simplify right side
    165,732.98x = 13,249,075,981.14
  5. Step 5: Solve for x
    x = 13,249,075,981.14/165,732.98
  6. Step 6: Final answer
    x = 79,942.30

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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.