Home / 315,749.02-473,685.80-102,477.16

Finding the Fourth Proportional to 315,749.02, 473,685.80 and 102,477.16

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Solution

The fourth proportional to 315,749.02, 473,685.80 and 102,477.16 is: 153,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,749.02 : 473,685.80 = 102,477.16 : x
  2. Step 2: Convert to fraction form
    315,749.02/473,685.80 = 102,477.16/x
  3. Step 3: Cross multiply
    315,749.02x = 473,685.80 × 102,477.16
  4. Step 4: Simplify right side
    315,749.02x = 48,541,975,516.33
  5. Step 5: Solve for x
    x = 48,541,975,516.33/315,749.02
  6. Step 6: Final answer
    x = 153,735.95

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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.