Home / 114,076.02-157,430.82-65,685.14

Finding the Fourth Proportional to 114,076.02, 157,430.82 and 65,685.14

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Solution

The fourth proportional to 114,076.02, 157,430.82 and 65,685.14 is: 90,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,076.02 : 157,430.82 = 65,685.14 : x
  2. Step 2: Convert to fraction form
    114,076.02/157,430.82 = 65,685.14/x
  3. Step 3: Cross multiply
    114,076.02x = 157,430.82 × 65,685.14
  4. Step 4: Simplify right side
    114,076.02x = 10,340,864,336.44
  5. Step 5: Solve for x
    x = 10,340,864,336.44/114,076.02
  6. Step 6: Final answer
    x = 90,648.89

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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.