Home / 116,176.12-160,316.40-64,490.56

Finding the Fourth Proportional to 116,176.12, 160,316.40 and 64,490.56

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Solution

The fourth proportional to 116,176.12, 160,316.40 and 64,490.56 is: 88,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,176.12 : 160,316.40 = 64,490.56 : x
  2. Step 2: Convert to fraction form
    116,176.12/160,316.40 = 64,490.56/x
  3. Step 3: Cross multiply
    116,176.12x = 160,316.40 × 64,490.56
  4. Step 4: Simplify right side
    116,176.12x = 10,338,894,413.18
  5. Step 5: Solve for x
    x = 10,338,894,413.18/116,176.12
  6. Step 6: Final answer
    x = 88,993.28

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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.