Home / 388,502.03-536,157.50-235,554.86

Finding the Fourth Proportional to 388,502.03, 536,157.50 and 235,554.86

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Solution

The fourth proportional to 388,502.03, 536,157.50 and 235,554.86 is: 325,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,502.03 : 536,157.50 = 235,554.86 : x
  2. Step 2: Convert to fraction form
    388,502.03/536,157.50 = 235,554.86/x
  3. Step 3: Cross multiply
    388,502.03x = 536,157.50 × 235,554.86
  4. Step 4: Simplify right side
    388,502.03x = 126,294,505,013.07
  5. Step 5: Solve for x
    x = 126,294,505,013.07/388,502.03
  6. Step 6: Final answer
    x = 325,080.68

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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.