Home / 210,931.34-291,085.04-119,069.96

Finding the Fourth Proportional to 210,931.34, 291,085.04 and 119,069.96

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Solution

The fourth proportional to 210,931.34, 291,085.04 and 119,069.96 is: 164,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,931.34 : 291,085.04 = 119,069.96 : x
  2. Step 2: Convert to fraction form
    210,931.34/291,085.04 = 119,069.96/x
  3. Step 3: Cross multiply
    210,931.34x = 291,085.04 × 119,069.96
  4. Step 4: Simplify right side
    210,931.34x = 34,659,483,474.05
  5. Step 5: Solve for x
    x = 34,659,483,474.05/210,931.34
  6. Step 6: Final answer
    x = 164,316.42

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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.