Home / 127,596.15-191,389.77-68,547.15

Finding the Fourth Proportional to 127,596.15, 191,389.77 and 68,547.15

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Solution

The fourth proportional to 127,596.15, 191,389.77 and 68,547.15 is: 102,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,596.15 : 191,389.77 = 68,547.15 : x
  2. Step 2: Convert to fraction form
    127,596.15/191,389.77 = 68,547.15/x
  3. Step 3: Cross multiply
    127,596.15x = 191,389.77 × 68,547.15
  4. Step 4: Simplify right side
    127,596.15x = 13,119,223,272.66
  5. Step 5: Solve for x
    x = 13,119,223,272.66/127,596.15
  6. Step 6: Final answer
    x = 102,818.33

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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.