Home / 114,780.42-158,353.83-84,637.67

Finding the Fourth Proportional to 114,780.42, 158,353.83 and 84,637.67

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Solution

The fourth proportional to 114,780.42, 158,353.83 and 84,637.67 is: 116,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,780.42 : 158,353.83 = 84,637.67 : x
  2. Step 2: Convert to fraction form
    114,780.42/158,353.83 = 84,637.67/x
  3. Step 3: Cross multiply
    114,780.42x = 158,353.83 × 84,637.67
  4. Step 4: Simplify right side
    114,780.42x = 13,402,698,415.01
  5. Step 5: Solve for x
    x = 13,402,698,415.01/114,780.42
  6. Step 6: Final answer
    x = 116,768.16

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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.