Home / 253,619.51-349,994.93-140,442.26

Finding the Fourth Proportional to 253,619.51, 349,994.93 and 140,442.26

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Solution

The fourth proportional to 253,619.51, 349,994.93 and 140,442.26 is: 193,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,619.51 : 349,994.93 = 140,442.26 : x
  2. Step 2: Convert to fraction form
    253,619.51/349,994.93 = 140,442.26/x
  3. Step 3: Cross multiply
    253,619.51x = 349,994.93 × 140,442.26
  4. Step 4: Simplify right side
    253,619.51x = 49,154,076,505.56
  5. Step 5: Solve for x
    x = 49,154,076,505.56/253,619.51
  6. Step 6: Final answer
    x = 193,810.32

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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.