Home / 123,914.56-185,868.60-45,030.28

Finding the Fourth Proportional to 123,914.56, 185,868.60 and 45,030.28

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Solution

The fourth proportional to 123,914.56, 185,868.60 and 45,030.28 is: 67,544.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,914.56 : 185,868.60 = 45,030.28 : x
  2. Step 2: Convert to fraction form
    123,914.56/185,868.60 = 45,030.28/x
  3. Step 3: Cross multiply
    123,914.56x = 185,868.60 × 45,030.28
  4. Step 4: Simplify right side
    123,914.56x = 8,369,715,101.21
  5. Step 5: Solve for x
    x = 8,369,715,101.21/123,914.56
  6. Step 6: Final answer
    x = 67,544.24

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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.