Home / 258,192.50-387,354.46-151,666.54

Finding the Fourth Proportional to 258,192.50, 387,354.46 and 151,666.54

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Solution

The fourth proportional to 258,192.50, 387,354.46 and 151,666.54 is: 227,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,192.50 : 387,354.46 = 151,666.54 : x
  2. Step 2: Convert to fraction form
    258,192.50/387,354.46 = 151,666.54/x
  3. Step 3: Cross multiply
    258,192.50x = 387,354.46 × 151,666.54
  4. Step 4: Simplify right side
    258,192.50x = 58,748,710,701.77
  5. Step 5: Solve for x
    x = 58,748,710,701.77/258,192.50
  6. Step 6: Final answer
    x = 227,538.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.