Home / 127,813.30-176,374.32-70,449.46

Finding the Fourth Proportional to 127,813.30, 176,374.32 and 70,449.46

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Solution

The fourth proportional to 127,813.30, 176,374.32 and 70,449.46 is: 97,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813.30 : 176,374.32 = 70,449.46 : x
  2. Step 2: Convert to fraction form
    127,813.30/176,374.32 = 70,449.46/x
  3. Step 3: Cross multiply
    127,813.30x = 176,374.32 × 70,449.46
  4. Step 4: Simplify right side
    127,813.30x = 12,425,475,601.87
  5. Step 5: Solve for x
    x = 12,425,475,601.87/127,813.30
  6. Step 6: Final answer
    x = 97,215.83

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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.