Home / 119,070.90-164,319.97-65,360.92

Finding the Fourth Proportional to 119,070.90, 164,319.97 and 65,360.92

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Solution

The fourth proportional to 119,070.90, 164,319.97 and 65,360.92 is: 90,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,070.90 : 164,319.97 = 65,360.92 : x
  2. Step 2: Convert to fraction form
    119,070.90/164,319.97 = 65,360.92/x
  3. Step 3: Cross multiply
    119,070.90x = 164,319.97 × 65,360.92
  4. Step 4: Simplify right side
    119,070.90x = 10,740,104,413.57
  5. Step 5: Solve for x
    x = 10,740,104,413.57/119,070.90
  6. Step 6: Final answer
    x = 90,199.24

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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.