Home / 156,064.04-215,367.78-84,444.20

Finding the Fourth Proportional to 156,064.04, 215,367.78 and 84,444.20

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Solution

The fourth proportional to 156,064.04, 215,367.78 and 84,444.20 is: 116,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,064.04 : 215,367.78 = 84,444.20 : x
  2. Step 2: Convert to fraction form
    156,064.04/215,367.78 = 84,444.20/x
  3. Step 3: Cross multiply
    156,064.04x = 215,367.78 × 84,444.20
  4. Step 4: Simplify right side
    156,064.04x = 18,186,559,887.88
  5. Step 5: Solve for x
    x = 18,186,559,887.88/156,064.04
  6. Step 6: Final answer
    x = 116,532.67

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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.