Home / 151,518.32-209,096.74-83,537.93

Finding the Fourth Proportional to 151,518.32, 209,096.74 and 83,537.93

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Solution

The fourth proportional to 151,518.32, 209,096.74 and 83,537.93 is: 115,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,518.32 : 209,096.74 = 83,537.93 : x
  2. Step 2: Convert to fraction form
    151,518.32/209,096.74 = 83,537.93/x
  3. Step 3: Cross multiply
    151,518.32x = 209,096.74 × 83,537.93
  4. Step 4: Simplify right side
    151,518.32x = 17,467,508,829.35
  5. Step 5: Solve for x
    x = 17,467,508,829.35/151,518.32
  6. Step 6: Final answer
    x = 115,283.15

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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.