Home / 215,374.16-297,136.62-215,042.01

Finding the Fourth Proportional to 215,374.16, 297,136.62 and 215,042.01

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Solution

The fourth proportional to 215,374.16, 297,136.62 and 215,042.01 is: 296,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,374.16 : 297,136.62 = 215,042.01 : x
  2. Step 2: Convert to fraction form
    215,374.16/297,136.62 = 215,042.01/x
  3. Step 3: Cross multiply
    215,374.16x = 297,136.62 × 215,042.01
  4. Step 4: Simplify right side
    215,374.16x = 63,896,856,009.41
  5. Step 5: Solve for x
    x = 63,896,856,009.41/215,374.16
  6. Step 6: Final answer
    x = 296,678.38

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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.