Home / 156,807.46-216,346.59-88,813.63

Finding the Fourth Proportional to 156,807.46, 216,346.59 and 88,813.63

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Solution

The fourth proportional to 156,807.46, 216,346.59 and 88,813.63 is: 122,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,807.46 : 216,346.59 = 88,813.63 : x
  2. Step 2: Convert to fraction form
    156,807.46/216,346.59 = 88,813.63/x
  3. Step 3: Cross multiply
    156,807.46x = 216,346.59 × 88,813.63
  4. Step 4: Simplify right side
    156,807.46x = 19,214,525,996.02
  5. Step 5: Solve for x
    x = 19,214,525,996.02/156,807.46
  6. Step 6: Final answer
    x = 122,535.79

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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.