Home / 156,218.80-215,582.16-84,598.92

Finding the Fourth Proportional to 156,218.80, 215,582.16 and 84,598.92

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Solution

The fourth proportional to 156,218.80, 215,582.16 and 84,598.92 is: 116,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,218.80 : 215,582.16 = 84,598.92 : x
  2. Step 2: Convert to fraction form
    156,218.80/215,582.16 = 84,598.92/x
  3. Step 3: Cross multiply
    156,218.80x = 215,582.16 × 84,598.92
  4. Step 4: Simplify right side
    156,218.80x = 18,238,017,907.27
  5. Step 5: Solve for x
    x = 18,238,017,907.27/156,218.80
  6. Step 6: Final answer
    x = 116,746.63

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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.