Home / 278,566.19-384,421.34-151,241.80

Finding the Fourth Proportional to 278,566.19, 384,421.34 and 151,241.80

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Solution

The fourth proportional to 278,566.19, 384,421.34 and 151,241.80 is: 208,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,566.19 : 384,421.34 = 151,241.80 : x
  2. Step 2: Convert to fraction form
    278,566.19/384,421.34 = 151,241.80/x
  3. Step 3: Cross multiply
    278,566.19x = 384,421.34 × 151,241.80
  4. Step 4: Simplify right side
    278,566.19x = 58,140,572,741.70
  5. Step 5: Solve for x
    x = 58,140,572,741.70/278,566.19
  6. Step 6: Final answer
    x = 208,713.67

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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.