Home / 389,140.65-536,932.22-236,259.18

Finding the Fourth Proportional to 389,140.65, 536,932.22 and 236,259.18

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Solution

The fourth proportional to 389,140.65, 536,932.22 and 236,259.18 is: 325,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,140.65 : 536,932.22 = 236,259.18 : x
  2. Step 2: Convert to fraction form
    389,140.65/536,932.22 = 236,259.18/x
  3. Step 3: Cross multiply
    389,140.65x = 536,932.22 × 236,259.18
  4. Step 4: Simplify right side
    389,140.65x = 126,855,164,831.48
  5. Step 5: Solve for x
    x = 126,855,164,831.48/389,140.65
  6. Step 6: Final answer
    x = 325,987.96

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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.