Home / 281,627.56-388,646.88-152,567.36

Finding the Fourth Proportional to 281,627.56, 388,646.88 and 152,567.36

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Solution

The fourth proportional to 281,627.56, 388,646.88 and 152,567.36 is: 210,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,627.56 : 388,646.88 = 152,567.36 : x
  2. Step 2: Convert to fraction form
    281,627.56/388,646.88 = 152,567.36/x
  3. Step 3: Cross multiply
    281,627.56x = 388,646.88 × 152,567.36
  4. Step 4: Simplify right side
    281,627.56x = 59,294,828,453.84
  5. Step 5: Solve for x
    x = 59,294,828,453.84/281,627.56
  6. Step 6: Final answer
    x = 210,543.42

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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.