Home / 299,211.08-412,947.84-171,886.40

Finding the Fourth Proportional to 299,211.08, 412,947.84 and 171,886.40

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Solution

The fourth proportional to 299,211.08, 412,947.84 and 171,886.40 is: 237,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,211.08 : 412,947.84 = 171,886.40 : x
  2. Step 2: Convert to fraction form
    299,211.08/412,947.84 = 171,886.40/x
  3. Step 3: Cross multiply
    299,211.08x = 412,947.84 × 171,886.40
  4. Step 4: Simplify right side
    299,211.08x = 70,980,117,605.38
  5. Step 5: Solve for x
    x = 70,980,117,605.38/299,211.08
  6. Step 6: Final answer
    x = 237,224.23

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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.