Home / 258,396.52-356,684.63-151,001.45

Finding the Fourth Proportional to 258,396.52, 356,684.63 and 151,001.45

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Solution

The fourth proportional to 258,396.52, 356,684.63 and 151,001.45 is: 208,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,396.52 : 356,684.63 = 151,001.45 : x
  2. Step 2: Convert to fraction form
    258,396.52/356,684.63 = 151,001.45/x
  3. Step 3: Cross multiply
    258,396.52x = 356,684.63 × 151,001.45
  4. Step 4: Simplify right side
    258,396.52x = 53,859,896,459.42
  5. Step 5: Solve for x
    x = 53,859,896,459.42/258,396.52
  6. Step 6: Final answer
    x = 208,438.94

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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.