Home / 153,454.18-211,693.43-119,228.44

Finding the Fourth Proportional to 153,454.18, 211,693.43 and 119,228.44

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Solution

The fourth proportional to 153,454.18, 211,693.43 and 119,228.44 is: 164,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,454.18 : 211,693.43 = 119,228.44 : x
  2. Step 2: Convert to fraction form
    153,454.18/211,693.43 = 119,228.44/x
  3. Step 3: Cross multiply
    153,454.18x = 211,693.43 × 119,228.44
  4. Step 4: Simplify right side
    153,454.18x = 25,239,876,821.01
  5. Step 5: Solve for x
    x = 25,239,876,821.01/153,454.18
  6. Step 6: Final answer
    x = 164,478.26

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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.