Home / 142,594.02-213,739.56-53,809.92

Finding the Fourth Proportional to 142,594.02, 213,739.56 and 53,809.92

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Solution

The fourth proportional to 142,594.02, 213,739.56 and 53,809.92 is: 80,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,594.02 : 213,739.56 = 53,809.92 : x
  2. Step 2: Convert to fraction form
    142,594.02/213,739.56 = 53,809.92/x
  3. Step 3: Cross multiply
    142,594.02x = 213,739.56 × 53,809.92
  4. Step 4: Simplify right side
    142,594.02x = 11,501,308,624.44
  5. Step 5: Solve for x
    x = 11,501,308,624.44/142,594.02
  6. Step 6: Final answer
    x = 80,657.72

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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.