Home / 157,970.96-236,988.21-58,131.68

Finding the Fourth Proportional to 157,970.96, 236,988.21 and 58,131.68

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Solution

The fourth proportional to 157,970.96, 236,988.21 and 58,131.68 is: 87,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,970.96 : 236,988.21 = 58,131.68 : x
  2. Step 2: Convert to fraction form
    157,970.96/236,988.21 = 58,131.68/x
  3. Step 3: Cross multiply
    157,970.96x = 236,988.21 × 58,131.68
  4. Step 4: Simplify right side
    157,970.96x = 13,776,522,496.83
  5. Step 5: Solve for x
    x = 13,776,522,496.83/157,970.96
  6. Step 6: Final answer
    x = 87,209.21

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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.