Home / 98,232.04-147,349.09-78,635.17

Finding the Fourth Proportional to 98,232.04, 147,349.09 and 78,635.17

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Solution

The fourth proportional to 98,232.04, 147,349.09 and 78,635.17 is: 117,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,232.04 : 147,349.09 = 78,635.17 : x
  2. Step 2: Convert to fraction form
    98,232.04/147,349.09 = 78,635.17/x
  3. Step 3: Cross multiply
    98,232.04x = 147,349.09 × 78,635.17
  4. Step 4: Simplify right side
    98,232.04x = 11,586,820,741.50
  5. Step 5: Solve for x
    x = 11,586,820,741.50/98,232.04
  6. Step 6: Final answer
    x = 117,953.58

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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.