Home / 119,669.60-179,587.33-77,444.56

Finding the Fourth Proportional to 119,669.60, 179,587.33 and 77,444.56

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Solution

The fourth proportional to 119,669.60, 179,587.33 and 77,444.56 is: 116,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,669.60 : 179,587.33 = 77,444.56 : x
  2. Step 2: Convert to fraction form
    119,669.60/179,587.33 = 77,444.56/x
  3. Step 3: Cross multiply
    119,669.60x = 179,587.33 × 77,444.56
  4. Step 4: Simplify right side
    119,669.60x = 13,908,060,774.12
  5. Step 5: Solve for x
    x = 13,908,060,774.12/119,669.60
  6. Step 6: Final answer
    x = 116,220.50

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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.