Home / 153,338.39-211,683.34-118,805.66

Finding the Fourth Proportional to 153,338.39, 211,683.34 and 118,805.66

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Solution

The fourth proportional to 153,338.39, 211,683.34 and 118,805.66 is: 164,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,338.39 : 211,683.34 = 118,805.66 : x
  2. Step 2: Convert to fraction form
    153,338.39/211,683.34 = 118,805.66/x
  3. Step 3: Cross multiply
    153,338.39x = 211,683.34 × 118,805.66
  4. Step 4: Simplify right side
    153,338.39x = 25,149,178,919.70
  5. Step 5: Solve for x
    x = 25,149,178,919.70/153,338.39
  6. Step 6: Final answer
    x = 164,010.98

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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.