Home / 157,433.34-236,116.80-57,640.26

Finding the Fourth Proportional to 157,433.34, 236,116.80 and 57,640.26

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Solution

The fourth proportional to 157,433.34, 236,116.80 and 57,640.26 is: 86,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,433.34 : 236,116.80 = 57,640.26 : x
  2. Step 2: Convert to fraction form
    157,433.34/236,116.80 = 57,640.26/x
  3. Step 3: Cross multiply
    157,433.34x = 236,116.80 × 57,640.26
  4. Step 4: Simplify right side
    157,433.34x = 13,609,833,742.37
  5. Step 5: Solve for x
    x = 13,609,833,742.37/157,433.34
  6. Step 6: Final answer
    x = 86,448.23

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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.