Home / 156,085.61-215,398.14-84,465.63

Finding the Fourth Proportional to 156,085.61, 215,398.14 and 84,465.63

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Solution

The fourth proportional to 156,085.61, 215,398.14 and 84,465.63 is: 116,562.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,085.61 : 215,398.14 = 84,465.63 : x
  2. Step 2: Convert to fraction form
    156,085.61/215,398.14 = 84,465.63/x
  3. Step 3: Cross multiply
    156,085.61x = 215,398.14 × 84,465.63
  4. Step 4: Simplify right side
    156,085.61x = 18,193,739,358.37
  5. Step 5: Solve for x
    x = 18,193,739,358.37/156,085.61
  6. Step 6: Final answer
    x = 116,562.57

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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.