Home / 279,261.44-385,384.73-151,937.13

Finding the Fourth Proportional to 279,261.44, 385,384.73 and 151,937.13

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Solution

The fourth proportional to 279,261.44, 385,384.73 and 151,937.13 is: 209,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,261.44 : 385,384.73 = 151,937.13 : x
  2. Step 2: Convert to fraction form
    279,261.44/385,384.73 = 151,937.13/x
  3. Step 3: Cross multiply
    279,261.44x = 385,384.73 × 151,937.13
  4. Step 4: Simplify right side
    279,261.44x = 58,554,249,062.34
  5. Step 5: Solve for x
    x = 58,554,249,062.34/279,261.44
  6. Step 6: Final answer
    x = 209,675.39

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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.