Home / 233,299.18-322,005.54-142,730.65

Finding the Fourth Proportional to 233,299.18, 322,005.54 and 142,730.65

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Solution

The fourth proportional to 233,299.18, 322,005.54 and 142,730.65 is: 197,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,299.18 : 322,005.54 = 142,730.65 : x
  2. Step 2: Convert to fraction form
    233,299.18/322,005.54 = 142,730.65/x
  3. Step 3: Cross multiply
    233,299.18x = 322,005.54 × 142,730.65
  4. Step 4: Simplify right side
    233,299.18x = 45,960,060,027.80
  5. Step 5: Solve for x
    x = 45,960,060,027.80/233,299.18
  6. Step 6: Final answer
    x = 197,000.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.