Home / 103,846.08-155,775.60-70,551.84

Finding the Fourth Proportional to 103,846.08, 155,775.60 and 70,551.84

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Solution

The fourth proportional to 103,846.08, 155,775.60 and 70,551.84 is: 105,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,846.08 : 155,775.60 = 70,551.84 : x
  2. Step 2: Convert to fraction form
    103,846.08/155,775.60 = 70,551.84/x
  3. Step 3: Cross multiply
    103,846.08x = 155,775.60 × 70,551.84
  4. Step 4: Simplify right side
    103,846.08x = 10,990,255,207.10
  5. Step 5: Solve for x
    x = 10,990,255,207.10/103,846.08
  6. Step 6: Final answer
    x = 105,832.16

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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.