Home / 152,439.36-228,656.96-47,258.32

Finding the Fourth Proportional to 152,439.36, 228,656.96 and 47,258.32

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Solution

The fourth proportional to 152,439.36, 228,656.96 and 47,258.32 is: 70,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,439.36 : 228,656.96 = 47,258.32 : x
  2. Step 2: Convert to fraction form
    152,439.36/228,656.96 = 47,258.32/x
  3. Step 3: Cross multiply
    152,439.36x = 228,656.96 × 47,258.32
  4. Step 4: Simplify right side
    152,439.36x = 10,805,943,785.91
  5. Step 5: Solve for x
    x = 10,805,943,785.91/152,439.36
  6. Step 6: Final answer
    x = 70,886.84

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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.