Home / 105,556.68-158,341.50-46,420.20

Finding the Fourth Proportional to 105,556.68, 158,341.50 and 46,420.20

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Solution

The fourth proportional to 105,556.68, 158,341.50 and 46,420.20 is: 69,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,556.68 : 158,341.50 = 46,420.20 : x
  2. Step 2: Convert to fraction form
    105,556.68/158,341.50 = 46,420.20/x
  3. Step 3: Cross multiply
    105,556.68x = 158,341.50 × 46,420.20
  4. Step 4: Simplify right side
    105,556.68x = 7,350,244,098.30
  5. Step 5: Solve for x
    x = 7,350,244,098.30/105,556.68
  6. Step 6: Final answer
    x = 69,633.15

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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.