Home / 116,279.15-160,490.21-70,947.39

Finding the Fourth Proportional to 116,279.15, 160,490.21 and 70,947.39

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Solution

The fourth proportional to 116,279.15, 160,490.21 and 70,947.39 is: 97,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,279.15 : 160,490.21 = 70,947.39 : x
  2. Step 2: Convert to fraction form
    116,279.15/160,490.21 = 70,947.39/x
  3. Step 3: Cross multiply
    116,279.15x = 160,490.21 × 70,947.39
  4. Step 4: Simplify right side
    116,279.15x = 11,386,362,166.23
  5. Step 5: Solve for x
    x = 11,386,362,166.23/116,279.15
  6. Step 6: Final answer
    x = 97,922.65

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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.