Home / 176,559.76-243,647.39-100,085.93

Finding the Fourth Proportional to 176,559.76, 243,647.39 and 100,085.93

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Solution

The fourth proportional to 176,559.76, 243,647.39 and 100,085.93 is: 138,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,559.76 : 243,647.39 = 100,085.93 : x
  2. Step 2: Convert to fraction form
    176,559.76/243,647.39 = 100,085.93/x
  3. Step 3: Cross multiply
    176,559.76x = 243,647.39 × 100,085.93
  4. Step 4: Simplify right side
    176,559.76x = 24,385,674,652.20
  5. Step 5: Solve for x
    x = 24,385,674,652.20/176,559.76
  6. Step 6: Final answer
    x = 138,115.70

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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.