Home / 153,828.80-230,721.60-48,658.40

Finding the Fourth Proportional to 153,828.80, 230,721.60 and 48,658.40

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Solution

The fourth proportional to 153,828.80, 230,721.60 and 48,658.40 is: 72,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,828.80 : 230,721.60 = 48,658.40 : x
  2. Step 2: Convert to fraction form
    153,828.80/230,721.60 = 48,658.40/x
  3. Step 3: Cross multiply
    153,828.80x = 230,721.60 × 48,658.40
  4. Step 4: Simplify right side
    153,828.80x = 11,226,543,901.44
  5. Step 5: Solve for x
    x = 11,226,543,901.44/153,828.80
  6. Step 6: Final answer
    x = 72,980.77

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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.