Home / 153,582.99-211,945.56-85,604.34

Finding the Fourth Proportional to 153,582.99, 211,945.56 and 85,604.34

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Solution

The fourth proportional to 153,582.99, 211,945.56 and 85,604.34 is: 118,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,582.99 : 211,945.56 = 85,604.34 : x
  2. Step 2: Convert to fraction form
    153,582.99/211,945.56 = 85,604.34/x
  3. Step 3: Cross multiply
    153,582.99x = 211,945.56 × 85,604.34
  4. Step 4: Simplify right side
    153,582.99x = 18,143,460,100.75
  5. Step 5: Solve for x
    x = 18,143,460,100.75/153,582.99
  6. Step 6: Final answer
    x = 118,134.57

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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.