Home / 214,601.20-296,097.02-128,574.19

Finding the Fourth Proportional to 214,601.20, 296,097.02 and 128,574.19

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Solution

The fourth proportional to 214,601.20, 296,097.02 and 128,574.19 is: 177,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,601.20 : 296,097.02 = 128,574.19 : x
  2. Step 2: Convert to fraction form
    214,601.20/296,097.02 = 128,574.19/x
  3. Step 3: Cross multiply
    214,601.20x = 296,097.02 × 128,574.19
  4. Step 4: Simplify right side
    214,601.20x = 38,070,433,051.77
  5. Step 5: Solve for x
    x = 38,070,433,051.77/214,601.20
  6. Step 6: Final answer
    x = 177,400.84

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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.