Home / 371,205.11-512,260.47-201,439.24

Finding the Fourth Proportional to 371,205.11, 512,260.47 and 201,439.24

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Solution

The fourth proportional to 371,205.11, 512,260.47 and 201,439.24 is: 277,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,205.11 : 512,260.47 = 201,439.24 : x
  2. Step 2: Convert to fraction form
    371,205.11/512,260.47 = 201,439.24/x
  3. Step 3: Cross multiply
    371,205.11x = 512,260.47 × 201,439.24
  4. Step 4: Simplify right side
    371,205.11x = 103,189,358,478.19
  5. Step 5: Solve for x
    x = 103,189,358,478.19/371,205.11
  6. Step 6: Final answer
    x = 277,984.74

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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.