Home / 445,526.40-668,289.60-113,102.40

Finding the Fourth Proportional to 445,526.40, 668,289.60 and 113,102.40

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Solution

The fourth proportional to 445,526.40, 668,289.60 and 113,102.40 is: 169,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,526.40 : 668,289.60 = 113,102.40 : x
  2. Step 2: Convert to fraction form
    445,526.40/668,289.60 = 113,102.40/x
  3. Step 3: Cross multiply
    445,526.40x = 668,289.60 × 113,102.40
  4. Step 4: Simplify right side
    445,526.40x = 75,585,157,655.04
  5. Step 5: Solve for x
    x = 75,585,157,655.04/445,526.40
  6. Step 6: Final answer
    x = 169,653.60

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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.