Home / 266,784.03-368,173.77-153,643.23

Finding the Fourth Proportional to 266,784.03, 368,173.77 and 153,643.23

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Solution

The fourth proportional to 266,784.03, 368,173.77 and 153,643.23 is: 212,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,784.03 : 368,173.77 = 153,643.23 : x
  2. Step 2: Convert to fraction form
    266,784.03/368,173.77 = 153,643.23/x
  3. Step 3: Cross multiply
    266,784.03x = 368,173.77 × 153,643.23
  4. Step 4: Simplify right side
    266,784.03x = 56,567,407,224.08
  5. Step 5: Solve for x
    x = 56,567,407,224.08/266,784.03
  6. Step 6: Final answer
    x = 212,034.46

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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.