Home / 127,971.24-176,505.12-93,969.06

Finding the Fourth Proportional to 127,971.24, 176,505.12 and 93,969.06

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Solution

The fourth proportional to 127,971.24, 176,505.12 and 93,969.06 is: 129,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,971.24 : 176,505.12 = 93,969.06 : x
  2. Step 2: Convert to fraction form
    127,971.24/176,505.12 = 93,969.06/x
  3. Step 3: Cross multiply
    127,971.24x = 176,505.12 × 93,969.06
  4. Step 4: Simplify right side
    127,971.24x = 16,586,020,211.59
  5. Step 5: Solve for x
    x = 16,586,020,211.59/127,971.24
  6. Step 6: Final answer
    x = 129,607.40

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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.