Home / 258,308.04-356,493.95-156,389.66

Finding the Fourth Proportional to 258,308.04, 356,493.95 and 156,389.66

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Solution

The fourth proportional to 258,308.04, 356,493.95 and 156,389.66 is: 215,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,308.04 : 356,493.95 = 156,389.66 : x
  2. Step 2: Convert to fraction form
    258,308.04/356,493.95 = 156,389.66/x
  3. Step 3: Cross multiply
    258,308.04x = 356,493.95 × 156,389.66
  4. Step 4: Simplify right side
    258,308.04x = 55,751,967,632.56
  5. Step 5: Solve for x
    x = 55,751,967,632.56/258,308.04
  6. Step 6: Final answer
    x = 215,835.20

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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.