Home / 215,133.69-296,849.57-119,637.93

Finding the Fourth Proportional to 215,133.69, 296,849.57 and 119,637.93

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Solution

The fourth proportional to 215,133.69, 296,849.57 and 119,637.93 is: 165,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,133.69 : 296,849.57 = 119,637.93 : x
  2. Step 2: Convert to fraction form
    215,133.69/296,849.57 = 119,637.93/x
  3. Step 3: Cross multiply
    215,133.69x = 296,849.57 × 119,637.93
  4. Step 4: Simplify right side
    215,133.69x = 35,514,467,478.00
  5. Step 5: Solve for x
    x = 35,514,467,478.00/215,133.69
  6. Step 6: Final answer
    x = 165,080.92

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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.