Home / 145,961.13-201,540.38-114,220.47

Finding the Fourth Proportional to 145,961.13, 201,540.38 and 114,220.47

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Solution

The fourth proportional to 145,961.13, 201,540.38 and 114,220.47 is: 157,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,961.13 : 201,540.38 = 114,220.47 : x
  2. Step 2: Convert to fraction form
    145,961.13/201,540.38 = 114,220.47/x
  3. Step 3: Cross multiply
    145,961.13x = 201,540.38 × 114,220.47
  4. Step 4: Simplify right side
    145,961.13x = 23,020,036,356.48
  5. Step 5: Solve for x
    x = 23,020,036,356.48/145,961.13
  6. Step 6: Final answer
    x = 157,713.47

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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.