Home / 194,514.75-268,430.36-105,090.75

Finding the Fourth Proportional to 194,514.75, 268,430.36 and 105,090.75

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Solution

The fourth proportional to 194,514.75, 268,430.36 and 105,090.75 is: 145,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,514.75 : 268,430.36 = 105,090.75 : x
  2. Step 2: Convert to fraction form
    194,514.75/268,430.36 = 105,090.75/x
  3. Step 3: Cross multiply
    194,514.75x = 268,430.36 × 105,090.75
  4. Step 4: Simplify right side
    194,514.75x = 28,209,547,329.72
  5. Step 5: Solve for x
    x = 28,209,547,329.72/194,514.75
  6. Step 6: Final answer
    x = 145,025.24

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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.