Home / 249,172.16-343,896.93-158,433.53

Finding the Fourth Proportional to 249,172.16, 343,896.93 and 158,433.53

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Solution

The fourth proportional to 249,172.16, 343,896.93 and 158,433.53 is: 218,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,172.16 : 343,896.93 = 158,433.53 : x
  2. Step 2: Convert to fraction form
    249,172.16/343,896.93 = 158,433.53/x
  3. Step 3: Cross multiply
    249,172.16x = 343,896.93 × 158,433.53
  4. Step 4: Simplify right side
    249,172.16x = 54,484,802,856.58
  5. Step 5: Solve for x
    x = 54,484,802,856.58/249,172.16
  6. Step 6: Final answer
    x = 218,663.29

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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.