Home / 388,143.27-535,530.15-233,054.28

Finding the Fourth Proportional to 388,143.27, 535,530.15 and 233,054.28

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Solution

The fourth proportional to 388,143.27, 535,530.15 and 233,054.28 is: 321,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,143.27 : 535,530.15 = 233,054.28 : x
  2. Step 2: Convert to fraction form
    388,143.27/535,530.15 = 233,054.28/x
  3. Step 3: Cross multiply
    388,143.27x = 535,530.15 × 233,054.28
  4. Step 4: Simplify right side
    388,143.27x = 124,807,593,526.54
  5. Step 5: Solve for x
    x = 124,807,593,526.54/388,143.27
  6. Step 6: Final answer
    x = 321,550.32

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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.