Home / 117,444.91-162,006.20-74,955.55

Finding the Fourth Proportional to 117,444.91, 162,006.20 and 74,955.55

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Solution

The fourth proportional to 117,444.91, 162,006.20 and 74,955.55 is: 103,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,444.91 : 162,006.20 = 74,955.55 : x
  2. Step 2: Convert to fraction form
    117,444.91/162,006.20 = 74,955.55/x
  3. Step 3: Cross multiply
    117,444.91x = 162,006.20 × 74,955.55
  4. Step 4: Simplify right side
    117,444.91x = 12,143,263,449.63
  5. Step 5: Solve for x
    x = 12,143,263,449.63/117,444.91
  6. Step 6: Final answer
    x = 103,395.40

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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.