Home / 373,681.04-515,675-203,904.22

Finding the Fourth Proportional to 373,681.04, 515,675 and 203,904.22

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Solution

The fourth proportional to 373,681.04, 515,675 and 203,904.22 is: 281,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,681.04 : 515,675 = 203,904.22 : x
  2. Step 2: Convert to fraction form
    373,681.04/515,675 = 203,904.22/x
  3. Step 3: Cross multiply
    373,681.04x = 515,675 × 203,904.22
  4. Step 4: Simplify right side
    373,681.04x = 105,148,308,648.50
  5. Step 5: Solve for x
    x = 105,148,308,648.50/373,681.04
  6. Step 6: Final answer
    x = 281,385.19

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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.