Home / 153,919.67-212,350.70-93,467.48

Finding the Fourth Proportional to 153,919.67, 212,350.70 and 93,467.48

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Solution

The fourth proportional to 153,919.67, 212,350.70 and 93,467.48 is: 128,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,919.67 : 212,350.70 = 93,467.48 : x
  2. Step 2: Convert to fraction form
    153,919.67/212,350.70 = 93,467.48/x
  3. Step 3: Cross multiply
    153,919.67x = 212,350.70 × 93,467.48
  4. Step 4: Simplify right side
    153,919.67x = 19,847,884,337.90
  5. Step 5: Solve for x
    x = 19,847,884,337.90/153,919.67
  6. Step 6: Final answer
    x = 128,949.63

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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.