Home / 250,024.62-345,031.54-135,300.81

Finding the Fourth Proportional to 250,024.62, 345,031.54 and 135,300.81

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Solution

The fourth proportional to 250,024.62, 345,031.54 and 135,300.81 is: 186,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,024.62 : 345,031.54 = 135,300.81 : x
  2. Step 2: Convert to fraction form
    250,024.62/345,031.54 = 135,300.81/x
  3. Step 3: Cross multiply
    250,024.62x = 345,031.54 × 135,300.81
  4. Step 4: Simplify right side
    250,024.62x = 46,683,046,161.04
  5. Step 5: Solve for x
    x = 46,683,046,161.04/250,024.62
  6. Step 6: Final answer
    x = 186,713.80

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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.