Home / 383,045.04-528,605.40-210,981.36

Finding the Fourth Proportional to 383,045.04, 528,605.40 and 210,981.36

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Solution

The fourth proportional to 383,045.04, 528,605.40 and 210,981.36 is: 291,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,045.04 : 528,605.40 = 210,981.36 : x
  2. Step 2: Convert to fraction form
    383,045.04/528,605.40 = 210,981.36/x
  3. Step 3: Cross multiply
    383,045.04x = 528,605.40 × 210,981.36
  4. Step 4: Simplify right side
    383,045.04x = 111,525,886,195.34
  5. Step 5: Solve for x
    x = 111,525,886,195.34/383,045.04
  6. Step 6: Final answer
    x = 291,156.06

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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.