Home / 127,079.12-190,545.72-48,143.04

Finding the Fourth Proportional to 127,079.12, 190,545.72 and 48,143.04

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Solution

The fourth proportional to 127,079.12, 190,545.72 and 48,143.04 is: 72,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,079.12 : 190,545.72 = 48,143.04 : x
  2. Step 2: Convert to fraction form
    127,079.12/190,545.72 = 48,143.04/x
  3. Step 3: Cross multiply
    127,079.12x = 190,545.72 × 48,143.04
  4. Step 4: Simplify right side
    127,079.12x = 9,173,450,219.79
  5. Step 5: Solve for x
    x = 9,173,450,219.79/127,079.12
  6. Step 6: Final answer
    x = 72,186.92

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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.