Home / 209,241.16-288,749.40-113,750.24

Finding the Fourth Proportional to 209,241.16, 288,749.40 and 113,750.24

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Solution

The fourth proportional to 209,241.16, 288,749.40 and 113,750.24 is: 156,973.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,241.16 : 288,749.40 = 113,750.24 : x
  2. Step 2: Convert to fraction form
    209,241.16/288,749.40 = 113,750.24/x
  3. Step 3: Cross multiply
    209,241.16x = 288,749.40 × 113,750.24
  4. Step 4: Simplify right side
    209,241.16x = 32,845,313,549.86
  5. Step 5: Solve for x
    x = 32,845,313,549.86/209,241.16
  6. Step 6: Final answer
    x = 156,973.48

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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.