Home / 318,192.86-439,107.80-174,962.14

Finding the Fourth Proportional to 318,192.86, 439,107.80 and 174,962.14

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Solution

The fourth proportional to 318,192.86, 439,107.80 and 174,962.14 is: 241,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,192.86 : 439,107.80 = 174,962.14 : x
  2. Step 2: Convert to fraction form
    318,192.86/439,107.80 = 174,962.14/x
  3. Step 3: Cross multiply
    318,192.86x = 439,107.80 × 174,962.14
  4. Step 4: Simplify right side
    318,192.86x = 76,827,240,378.69
  5. Step 5: Solve for x
    x = 76,827,240,378.69/318,192.86
  6. Step 6: Final answer
    x = 241,448.66

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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.