Home / 116,703.84-160,955.04-74,188.32

Finding the Fourth Proportional to 116,703.84, 160,955.04 and 74,188.32

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Solution

The fourth proportional to 116,703.84, 160,955.04 and 74,188.32 is: 102,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,703.84 : 160,955.04 = 74,188.32 : x
  2. Step 2: Convert to fraction form
    116,703.84/160,955.04 = 74,188.32/x
  3. Step 3: Cross multiply
    116,703.84x = 160,955.04 × 74,188.32
  4. Step 4: Simplify right side
    116,703.84x = 11,940,984,013.13
  5. Step 5: Solve for x
    x = 11,940,984,013.13/116,703.84
  6. Step 6: Final answer
    x = 102,318.69

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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.