Home / 156,323.22-215,726.23-84,703.19

Finding the Fourth Proportional to 156,323.22, 215,726.23 and 84,703.19

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Solution

The fourth proportional to 156,323.22, 215,726.23 and 84,703.19 is: 116,890.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,323.22 : 215,726.23 = 84,703.19 : x
  2. Step 2: Convert to fraction form
    156,323.22/215,726.23 = 84,703.19/x
  3. Step 3: Cross multiply
    156,323.22x = 215,726.23 × 84,703.19
  4. Step 4: Simplify right side
    156,323.22x = 18,272,698,769.04
  5. Step 5: Solve for x
    x = 18,272,698,769.04/156,323.22
  6. Step 6: Final answer
    x = 116,890.50

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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.