Home / 318,907.18-440,054.13-181,076.77

Finding the Fourth Proportional to 318,907.18, 440,054.13 and 181,076.77

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Solution

The fourth proportional to 318,907.18, 440,054.13 and 181,076.77 is: 249,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,907.18 : 440,054.13 = 181,076.77 : x
  2. Step 2: Convert to fraction form
    318,907.18/440,054.13 = 181,076.77/x
  3. Step 3: Cross multiply
    318,907.18x = 440,054.13 × 181,076.77
  4. Step 4: Simplify right side
    318,907.18x = 79,683,580,485.56
  5. Step 5: Solve for x
    x = 79,683,580,485.56/318,907.18
  6. Step 6: Final answer
    x = 249,864.49

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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.