Home / 282,123.18-423,257.67-104,680.80

Finding the Fourth Proportional to 282,123.18, 423,257.67 and 104,680.80

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Solution

The fourth proportional to 282,123.18, 423,257.67 and 104,680.80 is: 157,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,123.18 : 423,257.67 = 104,680.80 : x
  2. Step 2: Convert to fraction form
    282,123.18/423,257.67 = 104,680.80/x
  3. Step 3: Cross multiply
    282,123.18x = 423,257.67 × 104,680.80
  4. Step 4: Simplify right side
    282,123.18x = 44,306,951,501.74
  5. Step 5: Solve for x
    x = 44,306,951,501.74/282,123.18
  6. Step 6: Final answer
    x = 157,048.25

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1.5x scale

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.