Home / 126,368.16-189,458.60-59,730.44

Finding the Fourth Proportional to 126,368.16, 189,458.60 and 59,730.44

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Solution

The fourth proportional to 126,368.16, 189,458.60 and 59,730.44 is: 89,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,368.16 : 189,458.60 = 59,730.44 : x
  2. Step 2: Convert to fraction form
    126,368.16/189,458.60 = 59,730.44/x
  3. Step 3: Cross multiply
    126,368.16x = 189,458.60 × 59,730.44
  4. Step 4: Simplify right side
    126,368.16x = 11,316,444,293.84
  5. Step 5: Solve for x
    x = 11,316,444,293.84/126,368.16
  6. Step 6: Final answer
    x = 89,551.39

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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.