Home / 215,063-296,772.90-119,566.28

Finding the Fourth Proportional to 215,063, 296,772.90 and 119,566.28

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Solution

The fourth proportional to 215,063, 296,772.90 and 119,566.28 is: 164,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,063 : 296,772.90 = 119,566.28 : x
  2. Step 2: Convert to fraction form
    215,063/296,772.90 = 119,566.28/x
  3. Step 3: Cross multiply
    215,063x = 296,772.90 × 119,566.28
  4. Step 4: Simplify right side
    215,063x = 35,484,031,657.81
  5. Step 5: Solve for x
    x = 35,484,031,657.81/215,063
  6. Step 6: Final answer
    x = 164,993.66

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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.