Home / 316,289.44-436,478.91-173,050.05

Finding the Fourth Proportional to 316,289.44, 436,478.91 and 173,050.05

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Solution

The fourth proportional to 316,289.44, 436,478.91 and 173,050.05 is: 238,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,289.44 : 436,478.91 = 173,050.05 : x
  2. Step 2: Convert to fraction form
    316,289.44/436,478.91 = 173,050.05/x
  3. Step 3: Cross multiply
    316,289.44x = 436,478.91 × 173,050.05
  4. Step 4: Simplify right side
    316,289.44x = 75,532,697,199.45
  5. Step 5: Solve for x
    x = 75,532,697,199.45/316,289.44
  6. Step 6: Final answer
    x = 238,808.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.