Home / 215,435.16-297,223.58-124,741.62

Finding the Fourth Proportional to 215,435.16, 297,223.58 and 124,741.62

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Solution

The fourth proportional to 215,435.16, 297,223.58 and 124,741.62 is: 172,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,435.16 : 297,223.58 = 124,741.62 : x
  2. Step 2: Convert to fraction form
    215,435.16/297,223.58 = 124,741.62/x
  3. Step 3: Cross multiply
    215,435.16x = 297,223.58 × 124,741.62
  4. Step 4: Simplify right side
    215,435.16x = 37,076,150,871.40
  5. Step 5: Solve for x
    x = 37,076,150,871.40/215,435.16
  6. Step 6: Final answer
    x = 172,098.89

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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.