Home / 191,055.43-263,393.04-152,424.28

Finding the Fourth Proportional to 191,055.43, 263,393.04 and 152,424.28

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Solution

The fourth proportional to 191,055.43, 263,393.04 and 152,424.28 is: 210,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,055.43 : 263,393.04 = 152,424.28 : x
  2. Step 2: Convert to fraction form
    191,055.43/263,393.04 = 152,424.28/x
  3. Step 3: Cross multiply
    191,055.43x = 263,393.04 × 152,424.28
  4. Step 4: Simplify right side
    191,055.43x = 40,147,494,479.01
  5. Step 5: Solve for x
    x = 40,147,494,479.01/191,055.43
  6. Step 6: Final answer
    x = 210,135.32

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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.