Home / 176,626.11-243,779.03-100,146.72

Finding the Fourth Proportional to 176,626.11, 243,779.03 and 100,146.72

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Solution

The fourth proportional to 176,626.11, 243,779.03 and 100,146.72 is: 138,222.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,626.11 : 243,779.03 = 100,146.72 : x
  2. Step 2: Convert to fraction form
    176,626.11/243,779.03 = 100,146.72/x
  3. Step 3: Cross multiply
    176,626.11x = 243,779.03 × 100,146.72
  4. Step 4: Simplify right side
    176,626.11x = 24,413,670,259.28
  5. Step 5: Solve for x
    x = 24,413,670,259.28/176,626.11
  6. Step 6: Final answer
    x = 138,222.32

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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.