Home / 197,641.02-296,248.89-85,374.06

Finding the Fourth Proportional to 197,641.02, 296,248.89 and 85,374.06

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Solution

The fourth proportional to 197,641.02, 296,248.89 and 85,374.06 is: 127,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,641.02 : 296,248.89 = 85,374.06 : x
  2. Step 2: Convert to fraction form
    197,641.02/296,248.89 = 85,374.06/x
  3. Step 3: Cross multiply
    197,641.02x = 296,248.89 × 85,374.06
  4. Step 4: Simplify right side
    197,641.02x = 25,291,970,509.79
  5. Step 5: Solve for x
    x = 25,291,970,509.79/197,641.02
  6. Step 6: Final answer
    x = 127,969.24

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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.