Home / 199,079.60-274,633.08-127,402.16

Finding the Fourth Proportional to 199,079.60, 274,633.08 and 127,402.16

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Solution

The fourth proportional to 199,079.60, 274,633.08 and 127,402.16 is: 175,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,079.60 : 274,633.08 = 127,402.16 : x
  2. Step 2: Convert to fraction form
    199,079.60/274,633.08 = 127,402.16/x
  3. Step 3: Cross multiply
    199,079.60x = 274,633.08 × 127,402.16
  4. Step 4: Simplify right side
    199,079.60x = 34,988,847,599.45
  5. Step 5: Solve for x
    x = 34,988,847,599.45/199,079.60
  6. Step 6: Final answer
    x = 175,753.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.