Home / 315,747.02-473,682.80-102,475.16

Finding the Fourth Proportional to 315,747.02, 473,682.80 and 102,475.16

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Solution

The fourth proportional to 315,747.02, 473,682.80 and 102,475.16 is: 153,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,747.02 : 473,682.80 = 102,475.16 : x
  2. Step 2: Convert to fraction form
    315,747.02/473,682.80 = 102,475.16/x
  3. Step 3: Cross multiply
    315,747.02x = 473,682.80 × 102,475.16
  4. Step 4: Simplify right side
    315,747.02x = 48,540,720,719.25
  5. Step 5: Solve for x
    x = 48,540,720,719.25/315,747.02
  6. Step 6: Final answer
    x = 153,732.95

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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.