Home / 156,769.39-216,344.07-88,784.67

Finding the Fourth Proportional to 156,769.39, 216,344.07 and 88,784.67

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Solution

The fourth proportional to 156,769.39, 216,344.07 and 88,784.67 is: 122,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,769.39 : 216,344.07 = 88,784.67 : x
  2. Step 2: Convert to fraction form
    156,769.39/216,344.07 = 88,784.67/x
  3. Step 3: Cross multiply
    156,769.39x = 216,344.07 × 88,784.67
  4. Step 4: Simplify right side
    156,769.39x = 19,208,036,417.48
  5. Step 5: Solve for x
    x = 19,208,036,417.48/156,769.39
  6. Step 6: Final answer
    x = 122,524.15

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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.