Home / 112,246.40-168,602.88-89,035.04

Finding the Fourth Proportional to 112,246.40, 168,602.88 and 89,035.04

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Solution

The fourth proportional to 112,246.40, 168,602.88 and 89,035.04 is: 133,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,246.40 : 168,602.88 = 89,035.04 : x
  2. Step 2: Convert to fraction form
    112,246.40/168,602.88 = 89,035.04/x
  3. Step 3: Cross multiply
    112,246.40x = 168,602.88 × 89,035.04
  4. Step 4: Simplify right side
    112,246.40x = 15,011,564,164.92
  5. Step 5: Solve for x
    x = 15,011,564,164.92/112,246.40
  6. Step 6: Final answer
    x = 133,737.60

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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.