Home / 116,455.32-160,725.60-71,159.40

Finding the Fourth Proportional to 116,455.32, 160,725.60 and 71,159.40

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Solution

The fourth proportional to 116,455.32, 160,725.60 and 71,159.40 is: 98,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,455.32 : 160,725.60 = 71,159.40 : x
  2. Step 2: Convert to fraction form
    116,455.32/160,725.60 = 71,159.40/x
  3. Step 3: Cross multiply
    116,455.32x = 160,725.60 × 71,159.40
  4. Step 4: Simplify right side
    116,455.32x = 11,437,137,260.64
  5. Step 5: Solve for x
    x = 11,437,137,260.64/116,455.32
  6. Step 6: Final answer
    x = 98,210.52

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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.