Home / 315,535.24-473,441.56-165,740.72

Finding the Fourth Proportional to 315,535.24, 473,441.56 and 165,740.72

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Solution

The fourth proportional to 315,535.24, 473,441.56 and 165,740.72 is: 248,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,535.24 : 473,441.56 = 165,740.72 : x
  2. Step 2: Convert to fraction form
    315,535.24/473,441.56 = 165,740.72/x
  3. Step 3: Cross multiply
    315,535.24x = 473,441.56 × 165,740.72
  4. Step 4: Simplify right side
    315,535.24x = 78,468,545,032.32
  5. Step 5: Solve for x
    x = 78,468,545,032.32/315,535.24
  6. Step 6: Final answer
    x = 248,683.93

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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.