Home / 207,802.08-286,868.52-156,735.36

Finding the Fourth Proportional to 207,802.08, 286,868.52 and 156,735.36

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Solution

The fourth proportional to 207,802.08, 286,868.52 and 156,735.36 is: 216,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,802.08 : 286,868.52 = 156,735.36 : x
  2. Step 2: Convert to fraction form
    207,802.08/286,868.52 = 156,735.36/x
  3. Step 3: Cross multiply
    207,802.08x = 286,868.52 × 156,735.36
  4. Step 4: Simplify right side
    207,802.08x = 44,962,440,754.87
  5. Step 5: Solve for x
    x = 44,962,440,754.87/207,802.08
  6. Step 6: Final answer
    x = 216,371.47

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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.