Home / 215,345.40-297,173.69-119,852.08

Finding the Fourth Proportional to 215,345.40, 297,173.69 and 119,852.08

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Solution

The fourth proportional to 215,345.40, 297,173.69 and 119,852.08 is: 165,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,345.40 : 297,173.69 = 119,852.08 : x
  2. Step 2: Convert to fraction form
    215,345.40/297,173.69 = 119,852.08/x
  3. Step 3: Cross multiply
    215,345.40x = 297,173.69 × 119,852.08
  4. Step 4: Simplify right side
    215,345.40x = 35,616,884,867.78
  5. Step 5: Solve for x
    x = 35,616,884,867.78/215,345.40
  6. Step 6: Final answer
    x = 165,394.22

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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.