Home / 177,678.54-266,478.67-51,291.34

Finding the Fourth Proportional to 177,678.54, 266,478.67 and 51,291.34

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Solution

The fourth proportional to 177,678.54, 266,478.67 and 51,291.34 is: 76,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,678.54 : 266,478.67 = 51,291.34 : x
  2. Step 2: Convert to fraction form
    177,678.54/266,478.67 = 51,291.34/x
  3. Step 3: Cross multiply
    177,678.54x = 266,478.67 × 51,291.34
  4. Step 4: Simplify right side
    177,678.54x = 13,668,048,065.72
  5. Step 5: Solve for x
    x = 13,668,048,065.72/177,678.54
  6. Step 6: Final answer
    x = 76,925.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.