Home / 253,621.51-349,997.69-140,444.26

Finding the Fourth Proportional to 253,621.51, 349,997.69 and 140,444.26

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Solution

The fourth proportional to 253,621.51, 349,997.69 and 140,444.26 is: 193,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,621.51 : 349,997.69 = 140,444.26 : x
  2. Step 2: Convert to fraction form
    253,621.51/349,997.69 = 140,444.26/x
  3. Step 3: Cross multiply
    253,621.51x = 349,997.69 × 140,444.26
  4. Step 4: Simplify right side
    253,621.51x = 49,155,166,573.76
  5. Step 5: Solve for x
    x = 49,155,166,573.76/253,621.51
  6. Step 6: Final answer
    x = 193,813.08

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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.