Home / 159,746.40-239,619.60-48,938.40

Finding the Fourth Proportional to 159,746.40, 239,619.60 and 48,938.40

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Solution

The fourth proportional to 159,746.40, 239,619.60 and 48,938.40 is: 73,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,746.40 : 239,619.60 = 48,938.40 : x
  2. Step 2: Convert to fraction form
    159,746.40/239,619.60 = 48,938.40/x
  3. Step 3: Cross multiply
    159,746.40x = 239,619.60 × 48,938.40
  4. Step 4: Simplify right side
    159,746.40x = 11,726,599,832.64
  5. Step 5: Solve for x
    x = 11,726,599,832.64/159,746.40
  6. Step 6: Final answer
    x = 73,407.60

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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.