Home / 194,688.12-291,988.14-89,405.88

Finding the Fourth Proportional to 194,688.12, 291,988.14 and 89,405.88

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Solution

The fourth proportional to 194,688.12, 291,988.14 and 89,405.88 is: 134,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,688.12 : 291,988.14 = 89,405.88 : x
  2. Step 2: Convert to fraction form
    194,688.12/291,988.14 = 89,405.88/x
  3. Step 3: Cross multiply
    194,688.12x = 291,988.14 × 89,405.88
  4. Step 4: Simplify right side
    194,688.12x = 26,105,456,606.26
  5. Step 5: Solve for x
    x = 26,105,456,606.26/194,688.12
  6. Step 6: Final answer
    x = 134,088.60

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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.