Home / 374,128.47-561,275.73-107,868.24

Finding the Fourth Proportional to 374,128.47, 561,275.73 and 107,868.24

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Solution

The fourth proportional to 374,128.47, 561,275.73 and 107,868.24 is: 161,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,128.47 : 561,275.73 = 107,868.24 : x
  2. Step 2: Convert to fraction form
    374,128.47/561,275.73 = 107,868.24/x
  3. Step 3: Cross multiply
    374,128.47x = 561,275.73 × 107,868.24
  4. Step 4: Simplify right side
    374,128.47x = 60,543,825,149.82
  5. Step 5: Solve for x
    x = 60,543,825,149.82/374,128.47
  6. Step 6: Final answer
    x = 161,826.30

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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.