Home / 106,345.67-159,518.03-31,466.28

Finding the Fourth Proportional to 106,345.67, 159,518.03 and 31,466.28

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Solution

The fourth proportional to 106,345.67, 159,518.03 and 31,466.28 is: 47,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,345.67 : 159,518.03 = 31,466.28 : x
  2. Step 2: Convert to fraction form
    106,345.67/159,518.03 = 31,466.28/x
  3. Step 3: Cross multiply
    106,345.67x = 159,518.03 × 31,466.28
  4. Step 4: Simplify right side
    106,345.67x = 5,019,439,075.69
  5. Step 5: Solve for x
    x = 5,019,439,075.69/106,345.67
  6. Step 6: Final answer
    x = 47,199.28

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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.