Home / 137,524.04-189,798.92-77,111.00

Finding the Fourth Proportional to 137,524.04, 189,798.92 and 77,111.00

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Solution

The fourth proportional to 137,524.04, 189,798.92 and 77,111.00 is: 106,422.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,524.04 : 189,798.92 = 77,111.00 : x
  2. Step 2: Convert to fraction form
    137,524.04/189,798.92 = 77,111.00/x
  3. Step 3: Cross multiply
    137,524.04x = 189,798.92 × 77,111.00
  4. Step 4: Simplify right side
    137,524.04x = 14,635,583,185.57
  5. Step 5: Solve for x
    x = 14,635,583,185.57/137,524.04
  6. Step 6: Final answer
    x = 106,422.00

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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.