Home / 103,346.30-155,019.45-73,603.10

Finding the Fourth Proportional to 103,346.30, 155,019.45 and 73,603.10

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Solution

The fourth proportional to 103,346.30, 155,019.45 and 73,603.10 is: 110,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,346.30 : 155,019.45 = 73,603.10 : x
  2. Step 2: Convert to fraction form
    103,346.30/155,019.45 = 73,603.10/x
  3. Step 3: Cross multiply
    103,346.30x = 155,019.45 × 73,603.10
  4. Step 4: Simplify right side
    103,346.30x = 11,409,912,080.30
  5. Step 5: Solve for x
    x = 11,409,912,080.30/103,346.30
  6. Step 6: Final answer
    x = 110,404.65

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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.