Home / 372,915.04-514,622.67-203,149.16

Finding the Fourth Proportional to 372,915.04, 514,622.67 and 203,149.16

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Solution

The fourth proportional to 372,915.04, 514,622.67 and 203,149.16 is: 280,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,915.04 : 514,622.67 = 203,149.16 : x
  2. Step 2: Convert to fraction form
    372,915.04/514,622.67 = 203,149.16/x
  3. Step 3: Cross multiply
    372,915.04x = 514,622.67 × 203,149.16
  4. Step 4: Simplify right side
    372,915.04x = 104,545,164,617.12
  5. Step 5: Solve for x
    x = 104,545,164,617.12/372,915.04
  6. Step 6: Final answer
    x = 280,345.80

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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.