Home / 199,653.13-299,478.48-49,892.65

Finding the Fourth Proportional to 199,653.13, 299,478.48 and 49,892.65

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Solution

The fourth proportional to 199,653.13, 299,478.48 and 49,892.65 is: 74,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,653.13 : 299,478.48 = 49,892.65 : x
  2. Step 2: Convert to fraction form
    199,653.13/299,478.48 = 49,892.65/x
  3. Step 3: Cross multiply
    199,653.13x = 299,478.48 × 49,892.65
  4. Step 4: Simplify right side
    199,653.13x = 14,941,774,985.17
  5. Step 5: Solve for x
    x = 14,941,774,985.17/199,653.13
  6. Step 6: Final answer
    x = 74,838.67

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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.