Home / 153,913.32-230,783.58-54,045.72

Finding the Fourth Proportional to 153,913.32, 230,783.58 and 54,045.72

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Solution

The fourth proportional to 153,913.32, 230,783.58 and 54,045.72 is: 81,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,913.32 : 230,783.58 = 54,045.72 : x
  2. Step 2: Convert to fraction form
    153,913.32/230,783.58 = 54,045.72/x
  3. Step 3: Cross multiply
    153,913.32x = 230,783.58 × 54,045.72
  4. Step 4: Simplify right side
    153,913.32x = 12,472,864,745.28
  5. Step 5: Solve for x
    x = 12,472,864,745.28/153,913.32
  6. Step 6: Final answer
    x = 81,038.24

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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.