Home / 210,487.16-290,456.98-114,973.56

Finding the Fourth Proportional to 210,487.16, 290,456.98 and 114,973.56

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Solution

The fourth proportional to 210,487.16, 290,456.98 and 114,973.56 is: 158,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,487.16 : 290,456.98 = 114,973.56 : x
  2. Step 2: Convert to fraction form
    210,487.16/290,456.98 = 114,973.56/x
  3. Step 3: Cross multiply
    210,487.16x = 290,456.98 × 114,973.56
  4. Step 4: Simplify right side
    210,487.16x = 33,394,873,017.45
  5. Step 5: Solve for x
    x = 33,394,873,017.45/210,487.16
  6. Step 6: Final answer
    x = 158,655.16

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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.