Home / 156,064.18-215,367.03-84,442.63

Finding the Fourth Proportional to 156,064.18, 215,367.03 and 84,442.63

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Solution

The fourth proportional to 156,064.18, 215,367.03 and 84,442.63 is: 116,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,064.18 : 215,367.03 = 84,442.63 : x
  2. Step 2: Convert to fraction form
    156,064.18/215,367.03 = 84,442.63/x
  3. Step 3: Cross multiply
    156,064.18x = 215,367.03 × 84,442.63
  4. Step 4: Simplify right side
    156,064.18x = 18,186,158,428.49
  5. Step 5: Solve for x
    x = 18,186,158,428.49/156,064.18
  6. Step 6: Final answer
    x = 116,530.00

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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.