Home / 134,116.93-185,004.40-83,728.45

Finding the Fourth Proportional to 134,116.93, 185,004.40 and 83,728.45

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Solution

The fourth proportional to 134,116.93, 185,004.40 and 83,728.45 is: 115,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,116.93 : 185,004.40 = 83,728.45 : x
  2. Step 2: Convert to fraction form
    134,116.93/185,004.40 = 83,728.45/x
  3. Step 3: Cross multiply
    134,116.93x = 185,004.40 × 83,728.45
  4. Step 4: Simplify right side
    134,116.93x = 15,490,131,655.18
  5. Step 5: Solve for x
    x = 15,490,131,655.18/134,116.93
  6. Step 6: Final answer
    x = 115,497.21

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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.