Home / 174,040.48-240,129.56-100,434.26

Finding the Fourth Proportional to 174,040.48, 240,129.56 and 100,434.26

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Solution

The fourth proportional to 174,040.48, 240,129.56 and 100,434.26 is: 138,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,040.48 : 240,129.56 = 100,434.26 : x
  2. Step 2: Convert to fraction form
    174,040.48/240,129.56 = 100,434.26/x
  3. Step 3: Cross multiply
    174,040.48x = 240,129.56 × 100,434.26
  4. Step 4: Simplify right side
    174,040.48x = 24,117,235,514.14
  5. Step 5: Solve for x
    x = 24,117,235,514.14/174,040.48
  6. Step 6: Final answer
    x = 138,572.56

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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.