Home / 207,302.24-310,455.02-118,285.86

Finding the Fourth Proportional to 207,302.24, 310,455.02 and 118,285.86

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Solution

The fourth proportional to 207,302.24, 310,455.02 and 118,285.86 is: 177,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,302.24 : 310,455.02 = 118,285.86 : x
  2. Step 2: Convert to fraction form
    207,302.24/310,455.02 = 118,285.86/x
  3. Step 3: Cross multiply
    207,302.24x = 310,455.02 × 118,285.86
  4. Step 4: Simplify right side
    207,302.24x = 36,722,439,032.02
  5. Step 5: Solve for x
    x = 36,722,439,032.02/207,302.24
  6. Step 6: Final answer
    x = 177,144.44

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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.