Home / 115,920.57-173,763.22-65,897.30

Finding the Fourth Proportional to 115,920.57, 173,763.22 and 65,897.30

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Solution

The fourth proportional to 115,920.57, 173,763.22 and 65,897.30 is: 98,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,920.57 : 173,763.22 = 65,897.30 : x
  2. Step 2: Convert to fraction form
    115,920.57/173,763.22 = 65,897.30/x
  3. Step 3: Cross multiply
    115,920.57x = 173,763.22 × 65,897.30
  4. Step 4: Simplify right side
    115,920.57x = 11,450,526,748.07
  5. Step 5: Solve for x
    x = 11,450,526,748.07/115,920.57
  6. Step 6: Final answer
    x = 98,779.08

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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.