Home / 630,050.28-945,078.86-156,735.64

Finding the Fourth Proportional to 630,050.28, 945,078.86 and 156,735.64

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Solution

The fourth proportional to 630,050.28, 945,078.86 and 156,735.64 is: 235,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,050.28 : 945,078.86 = 156,735.64 : x
  2. Step 2: Convert to fraction form
    630,050.28/945,078.86 = 156,735.64/x
  3. Step 3: Cross multiply
    630,050.28x = 945,078.86 × 156,735.64
  4. Step 4: Simplify right side
    630,050.28x = 148,127,539,972.57
  5. Step 5: Solve for x
    x = 148,127,539,972.57/630,050.28
  6. Step 6: Final answer
    x = 235,104.32

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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.