Home / 116,711.84-160,966.08-74,196.32

Finding the Fourth Proportional to 116,711.84, 160,966.08 and 74,196.32

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Solution

The fourth proportional to 116,711.84, 160,966.08 and 74,196.32 is: 102,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,711.84 : 160,966.08 = 74,196.32 : x
  2. Step 2: Convert to fraction form
    116,711.84/160,966.08 = 74,196.32/x
  3. Step 3: Cross multiply
    116,711.84x = 160,966.08 × 74,196.32
  4. Step 4: Simplify right side
    116,711.84x = 11,943,090,780.83
  5. Step 5: Solve for x
    x = 11,943,090,780.83/116,711.84
  6. Step 6: Final answer
    x = 102,329.73

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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.