Home / 210,186.40-290,051.76-114,694.24

Finding the Fourth Proportional to 210,186.40, 290,051.76 and 114,694.24

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Solution

The fourth proportional to 210,186.40, 290,051.76 and 114,694.24 is: 158,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,186.40 : 290,051.76 = 114,694.24 : x
  2. Step 2: Convert to fraction form
    210,186.40/290,051.76 = 114,694.24/x
  3. Step 3: Cross multiply
    210,186.40x = 290,051.76 × 114,694.24
  4. Step 4: Simplify right side
    210,186.40x = 33,267,266,173.86
  5. Step 5: Solve for x
    x = 33,267,266,173.86/210,186.40
  6. Step 6: Final answer
    x = 158,275.07

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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.