Home / 119,206.69-164,507.05-65,492.75

Finding the Fourth Proportional to 119,206.69, 164,507.05 and 65,492.75

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Solution

The fourth proportional to 119,206.69, 164,507.05 and 65,492.75 is: 90,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,206.69 : 164,507.05 = 65,492.75 : x
  2. Step 2: Convert to fraction form
    119,206.69/164,507.05 = 65,492.75/x
  3. Step 3: Cross multiply
    119,206.69x = 164,507.05 × 65,492.75
  4. Step 4: Simplify right side
    119,206.69x = 10,774,019,592.02
  5. Step 5: Solve for x
    x = 10,774,019,592.02/119,206.69
  6. Step 6: Final answer
    x = 90,381.00

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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.