Home / 177,580.10-245,020.19-105,946.13

Finding the Fourth Proportional to 177,580.10, 245,020.19 and 105,946.13

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Solution

The fourth proportional to 177,580.10, 245,020.19 and 105,946.13 is: 146,181.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,580.10 : 245,020.19 = 105,946.13 : x
  2. Step 2: Convert to fraction form
    177,580.10/245,020.19 = 105,946.13/x
  3. Step 3: Cross multiply
    177,580.10x = 245,020.19 × 105,946.13
  4. Step 4: Simplify right side
    177,580.10x = 25,958,939,147.53
  5. Step 5: Solve for x
    x = 25,958,939,147.53/177,580.10
  6. Step 6: Final answer
    x = 146,181.58

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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.