Home / 320,561.45-442,267.36-184,592.47

Finding the Fourth Proportional to 320,561.45, 442,267.36 and 184,592.47

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Solution

The fourth proportional to 320,561.45, 442,267.36 and 184,592.47 is: 254,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,561.45 : 442,267.36 = 184,592.47 : x
  2. Step 2: Convert to fraction form
    320,561.45/442,267.36 = 184,592.47/x
  3. Step 3: Cross multiply
    320,561.45x = 442,267.36 × 184,592.47
  4. Step 4: Simplify right side
    320,561.45x = 81,639,224,683.21
  5. Step 5: Solve for x
    x = 81,639,224,683.21/320,561.45
  6. Step 6: Final answer
    x = 254,675.74

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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.