Home / 202,215.17-279,058.47-111,574.46

Finding the Fourth Proportional to 202,215.17, 279,058.47 and 111,574.46

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Solution

The fourth proportional to 202,215.17, 279,058.47 and 111,574.46 is: 153,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,215.17 : 279,058.47 = 111,574.46 : x
  2. Step 2: Convert to fraction form
    202,215.17/279,058.47 = 111,574.46/x
  3. Step 3: Cross multiply
    202,215.17x = 279,058.47 × 111,574.46
  4. Step 4: Simplify right side
    202,215.17x = 31,135,798,098.68
  5. Step 5: Solve for x
    x = 31,135,798,098.68/202,215.17
  6. Step 6: Final answer
    x = 153,973.60

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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.