Home / 215,417.25-297,282.65-134,819.01

Finding the Fourth Proportional to 215,417.25, 297,282.65 and 134,819.01

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Solution

The fourth proportional to 215,417.25, 297,282.65 and 134,819.01 is: 186,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,417.25 : 297,282.65 = 134,819.01 : x
  2. Step 2: Convert to fraction form
    215,417.25/297,282.65 = 134,819.01/x
  3. Step 3: Cross multiply
    215,417.25x = 297,282.65 × 134,819.01
  4. Step 4: Simplify right side
    215,417.25x = 40,079,351,889.08
  5. Step 5: Solve for x
    x = 40,079,351,889.08/215,417.25
  6. Step 6: Final answer
    x = 186,054.51

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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.