Home / 294,801.12-442,063.44-107,681.76

Finding the Fourth Proportional to 294,801.12, 442,063.44 and 107,681.76

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Solution

The fourth proportional to 294,801.12, 442,063.44 and 107,681.76 is: 161,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,801.12 : 442,063.44 = 107,681.76 : x
  2. Step 2: Convert to fraction form
    294,801.12/442,063.44 = 107,681.76/x
  3. Step 3: Cross multiply
    294,801.12x = 442,063.44 × 107,681.76
  4. Step 4: Simplify right side
    294,801.12x = 47,602,169,250.85
  5. Step 5: Solve for x
    x = 47,602,169,250.85/294,801.12
  6. Step 6: Final answer
    x = 161,472.15

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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.