Home / 193,141.47-266,436.15-116,618.34

Finding the Fourth Proportional to 193,141.47, 266,436.15 and 116,618.34

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Solution

The fourth proportional to 193,141.47, 266,436.15 and 116,618.34 is: 160,873.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,141.47 : 266,436.15 = 116,618.34 : x
  2. Step 2: Convert to fraction form
    193,141.47/266,436.15 = 116,618.34/x
  3. Step 3: Cross multiply
    193,141.47x = 266,436.15 × 116,618.34
  4. Step 4: Simplify right side
    193,141.47x = 31,071,341,528.99
  5. Step 5: Solve for x
    x = 31,071,341,528.99/193,141.47
  6. Step 6: Final answer
    x = 160,873.49

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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.