Home / 371,937.72-513,271.98-210,823.24

Finding the Fourth Proportional to 371,937.72, 513,271.98 and 210,823.24

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Solution

The fourth proportional to 371,937.72, 513,271.98 and 210,823.24 is: 290,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,937.72 : 513,271.98 = 210,823.24 : x
  2. Step 2: Convert to fraction form
    371,937.72/513,271.98 = 210,823.24/x
  3. Step 3: Cross multiply
    371,937.72x = 513,271.98 × 210,823.24
  4. Step 4: Simplify right side
    371,937.72x = 108,209,661,824.82
  5. Step 5: Solve for x
    x = 108,209,661,824.82/371,937.72
  6. Step 6: Final answer
    x = 290,934.90

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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.