Home / 137,054.04-189,124.14-83,331.60

Finding the Fourth Proportional to 137,054.04, 189,124.14 and 83,331.60

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Solution

The fourth proportional to 137,054.04, 189,124.14 and 83,331.60 is: 114,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,054.04 : 189,124.14 = 83,331.60 : x
  2. Step 2: Convert to fraction form
    137,054.04/189,124.14 = 83,331.60/x
  3. Step 3: Cross multiply
    137,054.04x = 189,124.14 × 83,331.60
  4. Step 4: Simplify right side
    137,054.04x = 15,760,017,184.82
  5. Step 5: Solve for x
    x = 15,760,017,184.82/137,054.04
  6. Step 6: Final answer
    x = 114,991.26

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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.