Home / 151,319.80-226,979.70-127,700.20

Finding the Fourth Proportional to 151,319.80, 226,979.70 and 127,700.20

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Solution

The fourth proportional to 151,319.80, 226,979.70 and 127,700.20 is: 191,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,319.80 : 226,979.70 = 127,700.20 : x
  2. Step 2: Convert to fraction form
    151,319.80/226,979.70 = 127,700.20/x
  3. Step 3: Cross multiply
    151,319.80x = 226,979.70 × 127,700.20
  4. Step 4: Simplify right side
    151,319.80x = 28,985,353,085.94
  5. Step 5: Solve for x
    x = 28,985,353,085.94/151,319.80
  6. Step 6: Final answer
    x = 191,550.30

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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.