Home / 115,119.02-158,875.62-67,369.52

Finding the Fourth Proportional to 115,119.02, 158,875.62 and 67,369.52

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Solution

The fourth proportional to 115,119.02, 158,875.62 and 67,369.52 is: 92,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,119.02 : 158,875.62 = 67,369.52 : x
  2. Step 2: Convert to fraction form
    115,119.02/158,875.62 = 67,369.52/x
  3. Step 3: Cross multiply
    115,119.02x = 158,875.62 × 67,369.52
  4. Step 4: Simplify right side
    115,119.02x = 10,703,374,259.10
  5. Step 5: Solve for x
    x = 10,703,374,259.10/115,119.02
  6. Step 6: Final answer
    x = 92,976.59

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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.