Home / 315,402.16-473,080.36-123,240.46

Finding the Fourth Proportional to 315,402.16, 473,080.36 and 123,240.46

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Solution

The fourth proportional to 315,402.16, 473,080.36 and 123,240.46 is: 184,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,402.16 : 473,080.36 = 123,240.46 : x
  2. Step 2: Convert to fraction form
    315,402.16/473,080.36 = 123,240.46/x
  3. Step 3: Cross multiply
    315,402.16x = 473,080.36 × 123,240.46
  4. Step 4: Simplify right side
    315,402.16x = 58,302,642,366.07
  5. Step 5: Solve for x
    x = 58,302,642,366.07/315,402.16
  6. Step 6: Final answer
    x = 184,851.75

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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.