Home / 258,970.27-357,396.93-157,000.03

Finding the Fourth Proportional to 258,970.27, 357,396.93 and 157,000.03

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Solution

The fourth proportional to 258,970.27, 357,396.93 and 157,000.03 is: 216,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,970.27 : 357,396.93 = 157,000.03 : x
  2. Step 2: Convert to fraction form
    258,970.27/357,396.93 = 157,000.03/x
  3. Step 3: Cross multiply
    258,970.27x = 357,396.93 × 157,000.03
  4. Step 4: Simplify right side
    258,970.27x = 56,111,328,731.91
  5. Step 5: Solve for x
    x = 56,111,328,731.91/258,970.27
  6. Step 6: Final answer
    x = 216,670.93

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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.