Home / 202,585.45-279,386.31-168,706.12

Finding the Fourth Proportional to 202,585.45, 279,386.31 and 168,706.12

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Solution

The fourth proportional to 202,585.45, 279,386.31 and 168,706.12 is: 232,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,585.45 : 279,386.31 = 168,706.12 : x
  2. Step 2: Convert to fraction form
    202,585.45/279,386.31 = 168,706.12/x
  3. Step 3: Cross multiply
    202,585.45x = 279,386.31 × 168,706.12
  4. Step 4: Simplify right side
    202,585.45x = 47,134,180,341.22
  5. Step 5: Solve for x
    x = 47,134,180,341.22/202,585.45
  6. Step 6: Final answer
    x = 232,663.21

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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.