Home / 156,323.62-215,726.80-84,703.58

Finding the Fourth Proportional to 156,323.62, 215,726.80 and 84,703.58

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Solution

The fourth proportional to 156,323.62, 215,726.80 and 84,703.58 is: 116,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,323.62 : 215,726.80 = 84,703.58 : x
  2. Step 2: Convert to fraction form
    156,323.62/215,726.80 = 84,703.58/x
  3. Step 3: Cross multiply
    156,323.62x = 215,726.80 × 84,703.58
  4. Step 4: Simplify right side
    156,323.62x = 18,272,832,261.94
  5. Step 5: Solve for x
    x = 18,272,832,261.94/156,323.62
  6. Step 6: Final answer
    x = 116,891.05

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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.