Home / 127,396.40-191,316.36-117,382.40

Finding the Fourth Proportional to 127,396.40, 191,316.36 and 117,382.40

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Solution

The fourth proportional to 127,396.40, 191,316.36 and 117,382.40 is: 176,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,396.40 : 191,316.36 = 117,382.40 : x
  2. Step 2: Convert to fraction form
    127,396.40/191,316.36 = 117,382.40/x
  3. Step 3: Cross multiply
    127,396.40x = 191,316.36 × 117,382.40
  4. Step 4: Simplify right side
    127,396.40x = 22,457,173,496.06
  5. Step 5: Solve for x
    x = 22,457,173,496.06/127,396.40
  6. Step 6: Final answer
    x = 176,277.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.