Home / 102,212.48-153,343.33-43,065.07

Finding the Fourth Proportional to 102,212.48, 153,343.33 and 43,065.07

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Solution

The fourth proportional to 102,212.48, 153,343.33 and 43,065.07 is: 64,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212.48 : 153,343.33 = 43,065.07 : x
  2. Step 2: Convert to fraction form
    102,212.48/153,343.33 = 43,065.07/x
  3. Step 3: Cross multiply
    102,212.48x = 153,343.33 × 43,065.07
  4. Step 4: Simplify right side
    102,212.48x = 6,603,740,749.46
  5. Step 5: Solve for x
    x = 6,603,740,749.46/102,212.48
  6. Step 6: Final answer
    x = 64,607.97

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1.5x scale

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.