Home / 281,544.03-388,527.71-152,480.39

Finding the Fourth Proportional to 281,544.03, 388,527.71 and 152,480.39

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Solution

The fourth proportional to 281,544.03, 388,527.71 and 152,480.39 is: 210,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,544.03 : 388,527.71 = 152,480.39 : x
  2. Step 2: Convert to fraction form
    281,544.03/388,527.71 = 152,480.39/x
  3. Step 3: Cross multiply
    281,544.03x = 388,527.71 × 152,480.39
  4. Step 4: Simplify right side
    281,544.03x = 59,242,854,041.57
  5. Step 5: Solve for x
    x = 59,242,854,041.57/281,544.03
  6. Step 6: Final answer
    x = 210,421.28

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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.