Home / 156,828.90-216,416.81-88,844.48

Finding the Fourth Proportional to 156,828.90, 216,416.81 and 88,844.48

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Solution

The fourth proportional to 156,828.90, 216,416.81 and 88,844.48 is: 122,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,828.90 : 216,416.81 = 88,844.48 : x
  2. Step 2: Convert to fraction form
    156,828.90/216,416.81 = 88,844.48/x
  3. Step 3: Cross multiply
    156,828.90x = 216,416.81 × 88,844.48
  4. Step 4: Simplify right side
    156,828.90x = 19,227,438,947.71
  5. Step 5: Solve for x
    x = 19,227,438,947.71/156,828.90
  6. Step 6: Final answer
    x = 122,601.38

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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.