Home / 195,783.30-293,602.05-77,430.15

Finding the Fourth Proportional to 195,783.30, 293,602.05 and 77,430.15

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Solution

The fourth proportional to 195,783.30, 293,602.05 and 77,430.15 is: 116,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,783.30 : 293,602.05 = 77,430.15 : x
  2. Step 2: Convert to fraction form
    195,783.30/293,602.05 = 77,430.15/x
  3. Step 3: Cross multiply
    195,783.30x = 293,602.05 × 77,430.15
  4. Step 4: Simplify right side
    195,783.30x = 22,733,650,771.81
  5. Step 5: Solve for x
    x = 22,733,650,771.81/195,783.30
  6. Step 6: Final answer
    x = 116,116.39

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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.