Home / 190,174.65-262,458.63-105,291.72

Finding the Fourth Proportional to 190,174.65, 262,458.63 and 105,291.72

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Solution

The fourth proportional to 190,174.65, 262,458.63 and 105,291.72 is: 145,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,174.65 : 262,458.63 = 105,291.72 : x
  2. Step 2: Convert to fraction form
    190,174.65/262,458.63 = 105,291.72/x
  3. Step 3: Cross multiply
    190,174.65x = 262,458.63 × 105,291.72
  4. Step 4: Simplify right side
    190,174.65x = 27,634,720,581.54
  5. Step 5: Solve for x
    x = 27,634,720,581.54/190,174.65
  6. Step 6: Final answer
    x = 145,312.33

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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.