Home / 397,225.08-548,347.32-236,132.28

Finding the Fourth Proportional to 397,225.08, 548,347.32 and 236,132.28

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Solution

The fourth proportional to 397,225.08, 548,347.32 and 236,132.28 is: 325,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,225.08 : 548,347.32 = 236,132.28 : x
  2. Step 2: Convert to fraction form
    397,225.08/548,347.32 = 236,132.28/x
  3. Step 3: Cross multiply
    397,225.08x = 548,347.32 × 236,132.28
  4. Step 4: Simplify right side
    397,225.08x = 129,482,502,903.49
  5. Step 5: Solve for x
    x = 129,482,502,903.49/397,225.08
  6. Step 6: Final answer
    x = 325,967.59

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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.