Home / 127,616.58-191,421.18-38,866.32

Finding the Fourth Proportional to 127,616.58, 191,421.18 and 38,866.32

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Solution

The fourth proportional to 127,616.58, 191,421.18 and 38,866.32 is: 58,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,616.58 : 191,421.18 = 38,866.32 : x
  2. Step 2: Convert to fraction form
    127,616.58/191,421.18 = 38,866.32/x
  3. Step 3: Cross multiply
    127,616.58x = 191,421.18 × 38,866.32
  4. Step 4: Simplify right side
    127,616.58x = 7,439,836,836.66
  5. Step 5: Solve for x
    x = 7,439,836,836.66/127,616.58
  6. Step 6: Final answer
    x = 58,298.36

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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.