Home / 214,780.10-296,400.20-117,988.04

Finding the Fourth Proportional to 214,780.10, 296,400.20 and 117,988.04

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Solution

The fourth proportional to 214,780.10, 296,400.20 and 117,988.04 is: 162,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,780.10 : 296,400.20 = 117,988.04 : x
  2. Step 2: Convert to fraction form
    214,780.10/296,400.20 = 117,988.04/x
  3. Step 3: Cross multiply
    214,780.10x = 296,400.20 × 117,988.04
  4. Step 4: Simplify right side
    214,780.10x = 34,971,678,653.61
  5. Step 5: Solve for x
    x = 34,971,678,653.61/214,780.10
  6. Step 6: Final answer
    x = 162,825.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.