Home / 313,925.10-470,877.10-136,432.13

Finding the Fourth Proportional to 313,925.10, 470,877.10 and 136,432.13

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Solution

The fourth proportional to 313,925.10, 470,877.10 and 136,432.13 is: 204,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,925.10 : 470,877.10 = 136,432.13 : x
  2. Step 2: Convert to fraction form
    313,925.10/470,877.10 = 136,432.13/x
  3. Step 3: Cross multiply
    313,925.10x = 470,877.10 × 136,432.13
  4. Step 4: Simplify right side
    313,925.10x = 64,242,765,721.22
  5. Step 5: Solve for x
    x = 64,242,765,721.22/313,925.10
  6. Step 6: Final answer
    x = 204,643.61

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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.