Home / 162,741.15-224,432.91-111,663.77

Finding the Fourth Proportional to 162,741.15, 224,432.91 and 111,663.77

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Solution

The fourth proportional to 162,741.15, 224,432.91 and 111,663.77 is: 153,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,741.15 : 224,432.91 = 111,663.77 : x
  2. Step 2: Convert to fraction form
    162,741.15/224,432.91 = 111,663.77/x
  3. Step 3: Cross multiply
    162,741.15x = 224,432.91 × 111,663.77
  4. Step 4: Simplify right side
    162,741.15x = 25,061,023,720.51
  5. Step 5: Solve for x
    x = 25,061,023,720.51/162,741.15
  6. Step 6: Final answer
    x = 153,993.16

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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.