Home / 456,960.16-685,465.68-141,392.40

Finding the Fourth Proportional to 456,960.16, 685,465.68 and 141,392.40

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Solution

The fourth proportional to 456,960.16, 685,465.68 and 141,392.40 is: 212,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,960.16 : 685,465.68 = 141,392.40 : x
  2. Step 2: Convert to fraction form
    456,960.16/685,465.68 = 141,392.40/x
  3. Step 3: Cross multiply
    456,960.16x = 685,465.68 × 141,392.40
  4. Step 4: Simplify right side
    456,960.16x = 96,919,637,612.83
  5. Step 5: Solve for x
    x = 96,919,637,612.83/456,960.16
  6. Step 6: Final answer
    x = 212,096.47

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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.