Home / 127,641.04-191,530.68-122,986.96

Finding the Fourth Proportional to 127,641.04, 191,530.68 and 122,986.96

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Solution

The fourth proportional to 127,641.04, 191,530.68 and 122,986.96 is: 184,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,641.04 : 191,530.68 = 122,986.96 : x
  2. Step 2: Convert to fraction form
    127,641.04/191,530.68 = 122,986.96/x
  3. Step 3: Cross multiply
    127,641.04x = 191,530.68 × 122,986.96
  4. Step 4: Simplify right side
    127,641.04x = 23,555,776,079.93
  5. Step 5: Solve for x
    x = 23,555,776,079.93/127,641.04
  6. Step 6: Final answer
    x = 184,547.04

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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.