Home / 210,707.56-290,752.62-124,669.18

Finding the Fourth Proportional to 210,707.56, 290,752.62 and 124,669.18

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Solution

The fourth proportional to 210,707.56, 290,752.62 and 124,669.18 is: 172,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,707.56 : 290,752.62 = 124,669.18 : x
  2. Step 2: Convert to fraction form
    210,707.56/290,752.62 = 124,669.18/x
  3. Step 3: Cross multiply
    210,707.56x = 290,752.62 × 124,669.18
  4. Step 4: Simplify right side
    210,707.56x = 36,247,890,718.25
  5. Step 5: Solve for x
    x = 36,247,890,718.25/210,707.56
  6. Step 6: Final answer
    x = 172,029.38

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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.