Home / 315,664.90-473,521.95-105,302.84

Finding the Fourth Proportional to 315,664.90, 473,521.95 and 105,302.84

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Solution

The fourth proportional to 315,664.90, 473,521.95 and 105,302.84 is: 157,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,664.90 : 473,521.95 = 105,302.84 : x
  2. Step 2: Convert to fraction form
    315,664.90/473,521.95 = 105,302.84/x
  3. Step 3: Cross multiply
    315,664.90x = 473,521.95 × 105,302.84
  4. Step 4: Simplify right side
    315,664.90x = 49,863,203,769.73
  5. Step 5: Solve for x
    x = 49,863,203,769.73/315,664.90
  6. Step 6: Final answer
    x = 157,962.46

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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.