Home / 107,400.10-161,038.40-44,263.80

Finding the Fourth Proportional to 107,400.10, 161,038.40 and 44,263.80

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Solution

The fourth proportional to 107,400.10, 161,038.40 and 44,263.80 is: 66,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,400.10 : 161,038.40 = 44,263.80 : x
  2. Step 2: Convert to fraction form
    107,400.10/161,038.40 = 44,263.80/x
  3. Step 3: Cross multiply
    107,400.10x = 161,038.40 × 44,263.80
  4. Step 4: Simplify right side
    107,400.10x = 7,128,171,529.92
  5. Step 5: Solve for x
    x = 7,128,171,529.92/107,400.10
  6. Step 6: Final answer
    x = 66,370.25

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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.