Home / 215,268.72-297,045-124,653.12

Finding the Fourth Proportional to 215,268.72, 297,045 and 124,653.12

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Solution

The fourth proportional to 215,268.72, 297,045 and 124,653.12 is: 172,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,268.72 : 297,045 = 124,653.12 : x
  2. Step 2: Convert to fraction form
    215,268.72/297,045 = 124,653.12/x
  3. Step 3: Cross multiply
    215,268.72x = 297,045 × 124,653.12
  4. Step 4: Simplify right side
    215,268.72x = 37,027,586,030.40
  5. Step 5: Solve for x
    x = 37,027,586,030.40/215,268.72
  6. Step 6: Final answer
    x = 172,006.35

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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.