Home / 215,313.18-297,130.04-119,818.24

Finding the Fourth Proportional to 215,313.18, 297,130.04 and 119,818.24

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Solution

The fourth proportional to 215,313.18, 297,130.04 and 119,818.24 is: 165,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,313.18 : 297,130.04 = 119,818.24 : x
  2. Step 2: Convert to fraction form
    215,313.18/297,130.04 = 119,818.24/x
  3. Step 3: Cross multiply
    215,313.18x = 297,130.04 × 119,818.24
  4. Step 4: Simplify right side
    215,313.18x = 35,601,598,443.93
  5. Step 5: Solve for x
    x = 35,601,598,443.93/215,313.18
  6. Step 6: Final answer
    x = 165,347.98

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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.