Home / 292,944.15-439,416.36-105,911.91

Finding the Fourth Proportional to 292,944.15, 439,416.36 and 105,911.91

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Solution

The fourth proportional to 292,944.15, 439,416.36 and 105,911.91 is: 158,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,944.15 : 439,416.36 = 105,911.91 : x
  2. Step 2: Convert to fraction form
    292,944.15/439,416.36 = 105,911.91/x
  3. Step 3: Cross multiply
    292,944.15x = 439,416.36 × 105,911.91
  4. Step 4: Simplify right side
    292,944.15x = 46,539,425,972.85
  5. Step 5: Solve for x
    x = 46,539,425,972.85/292,944.15
  6. Step 6: Final answer
    x = 158,867.91

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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.