Home / 113,012.19-169,430.79-65,554.29

Finding the Fourth Proportional to 113,012.19, 169,430.79 and 65,554.29

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Solution

The fourth proportional to 113,012.19, 169,430.79 and 65,554.29 is: 98,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,012.19 : 169,430.79 = 65,554.29 : x
  2. Step 2: Convert to fraction form
    113,012.19/169,430.79 = 65,554.29/x
  3. Step 3: Cross multiply
    113,012.19x = 169,430.79 × 65,554.29
  4. Step 4: Simplify right side
    113,012.19x = 11,106,915,142.59
  5. Step 5: Solve for x
    x = 11,106,915,142.59/113,012.19
  6. Step 6: Final answer
    x = 98,280.68

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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.