Home / 162,541.65-243,735.93-105,523.32

Finding the Fourth Proportional to 162,541.65, 243,735.93 and 105,523.32

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Solution

The fourth proportional to 162,541.65, 243,735.93 and 105,523.32 is: 158,235.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,541.65 : 243,735.93 = 105,523.32 : x
  2. Step 2: Convert to fraction form
    162,541.65/243,735.93 = 105,523.32/x
  3. Step 3: Cross multiply
    162,541.65x = 243,735.93 × 105,523.32
  4. Step 4: Simplify right side
    162,541.65x = 25,719,824,536.89
  5. Step 5: Solve for x
    x = 25,719,824,536.89/162,541.65
  6. Step 6: Final answer
    x = 158,235.29

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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.