Home / 243,883.30-365,824.95-103,623.70

Finding the Fourth Proportional to 243,883.30, 365,824.95 and 103,623.70

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Solution

The fourth proportional to 243,883.30, 365,824.95 and 103,623.70 is: 155,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,883.30 : 365,824.95 = 103,623.70 : x
  2. Step 2: Convert to fraction form
    243,883.30/365,824.95 = 103,623.70/x
  3. Step 3: Cross multiply
    243,883.30x = 365,824.95 × 103,623.70
  4. Step 4: Simplify right side
    243,883.30x = 37,908,134,871.32
  5. Step 5: Solve for x
    x = 37,908,134,871.32/243,883.30
  6. Step 6: Final answer
    x = 155,435.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.