Home / 144,538.32-216,753.60-49,742.01

Finding the Fourth Proportional to 144,538.32, 216,753.60 and 49,742.01

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Solution

The fourth proportional to 144,538.32, 216,753.60 and 49,742.01 is: 74,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,538.32 : 216,753.60 = 49,742.01 : x
  2. Step 2: Convert to fraction form
    144,538.32/216,753.60 = 49,742.01/x
  3. Step 3: Cross multiply
    144,538.32x = 216,753.60 × 49,742.01
  4. Step 4: Simplify right side
    144,538.32x = 10,781,759,738.74
  5. Step 5: Solve for x
    x = 10,781,759,738.74/144,538.32
  6. Step 6: Final answer
    x = 74,594.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.