Home / 152,132.36-209,907.06-91,686.92

Finding the Fourth Proportional to 152,132.36, 209,907.06 and 91,686.92

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Solution

The fourth proportional to 152,132.36, 209,907.06 and 91,686.92 is: 126,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,132.36 : 209,907.06 = 91,686.92 : x
  2. Step 2: Convert to fraction form
    152,132.36/209,907.06 = 91,686.92/x
  3. Step 3: Cross multiply
    152,132.36x = 209,907.06 × 91,686.92
  4. Step 4: Simplify right side
    152,132.36x = 19,245,731,817.66
  5. Step 5: Solve for x
    x = 19,245,731,817.66/152,132.36
  6. Step 6: Final answer
    x = 126,506.50

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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.