Home / 102,186.64-153,211.11-52,225.84

Finding the Fourth Proportional to 102,186.64, 153,211.11 and 52,225.84

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Solution

The fourth proportional to 102,186.64, 153,211.11 and 52,225.84 is: 78,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,186.64 : 153,211.11 = 52,225.84 : x
  2. Step 2: Convert to fraction form
    102,186.64/153,211.11 = 52,225.84/x
  3. Step 3: Cross multiply
    102,186.64x = 153,211.11 × 52,225.84
  4. Step 4: Simplify right side
    102,186.64x = 8,001,578,917.08
  5. Step 5: Solve for x
    x = 8,001,578,917.08/102,186.64
  6. Step 6: Final answer
    x = 78,303.57

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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.