Home / 137,885.27-190,260.95-77,444.34

Finding the Fourth Proportional to 137,885.27, 190,260.95 and 77,444.34

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Solution

The fourth proportional to 137,885.27, 190,260.95 and 77,444.34 is: 106,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,885.27 : 190,260.95 = 77,444.34 : x
  2. Step 2: Convert to fraction form
    137,885.27/190,260.95 = 77,444.34/x
  3. Step 3: Cross multiply
    137,885.27x = 190,260.95 × 77,444.34
  4. Step 4: Simplify right side
    137,885.27x = 14,734,633,700.52
  5. Step 5: Solve for x
    x = 14,734,633,700.52/137,885.27
  6. Step 6: Final answer
    x = 106,861.55

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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.