Home / 402,204.43-555,080.66-230,088.22

Finding the Fourth Proportional to 402,204.43, 555,080.66 and 230,088.22

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Solution

The fourth proportional to 402,204.43, 555,080.66 and 230,088.22 is: 317,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,204.43 : 555,080.66 = 230,088.22 : x
  2. Step 2: Convert to fraction form
    402,204.43/555,080.66 = 230,088.22/x
  3. Step 3: Cross multiply
    402,204.43x = 555,080.66 × 230,088.22
  4. Step 4: Simplify right side
    402,204.43x = 127,717,521,015.83
  5. Step 5: Solve for x
    x = 127,717,521,015.83/402,204.43
  6. Step 6: Final answer
    x = 317,543.79

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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.