Home / 114,131.17-157,543.37-85,918.69

Finding the Fourth Proportional to 114,131.17, 157,543.37 and 85,918.69

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Solution

The fourth proportional to 114,131.17, 157,543.37 and 85,918.69 is: 118,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,131.17 : 157,543.37 = 85,918.69 : x
  2. Step 2: Convert to fraction form
    114,131.17/157,543.37 = 85,918.69/x
  3. Step 3: Cross multiply
    114,131.17x = 157,543.37 × 85,918.69
  4. Step 4: Simplify right side
    114,131.17x = 13,535,919,968.59
  5. Step 5: Solve for x
    x = 13,535,919,968.59/114,131.17
  6. Step 6: Final answer
    x = 118,599.68

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1.5x scale

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.