Home / 258,312.06-356,499.48-156,393.66

Finding the Fourth Proportional to 258,312.06, 356,499.48 and 156,393.66

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Solution

The fourth proportional to 258,312.06, 356,499.48 and 156,393.66 is: 215,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,312.06 : 356,499.48 = 156,393.66 : x
  2. Step 2: Convert to fraction form
    258,312.06/356,499.48 = 156,393.66/x
  3. Step 3: Cross multiply
    258,312.06x = 356,499.48 × 156,393.66
  4. Step 4: Simplify right side
    258,312.06x = 55,754,258,465.30
  5. Step 5: Solve for x
    x = 55,754,258,465.30/258,312.06
  6. Step 6: Final answer
    x = 215,840.71

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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.