Home / 127,339.16-191,015.10-48,459.51

Finding the Fourth Proportional to 127,339.16, 191,015.10 and 48,459.51

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Solution

The fourth proportional to 127,339.16, 191,015.10 and 48,459.51 is: 72,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,339.16 : 191,015.10 = 48,459.51 : x
  2. Step 2: Convert to fraction form
    127,339.16/191,015.10 = 48,459.51/x
  3. Step 3: Cross multiply
    127,339.16x = 191,015.10 × 48,459.51
  4. Step 4: Simplify right side
    127,339.16x = 9,256,498,148.60
  5. Step 5: Solve for x
    x = 9,256,498,148.60/127,339.16
  6. Step 6: Final answer
    x = 72,691.69

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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.