Home / 119,235.04-164,542.47-65,518.90

Finding the Fourth Proportional to 119,235.04, 164,542.47 and 65,518.90

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Solution

The fourth proportional to 119,235.04, 164,542.47 and 65,518.90 is: 90,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,235.04 : 164,542.47 = 65,518.90 : x
  2. Step 2: Convert to fraction form
    119,235.04/164,542.47 = 65,518.90/x
  3. Step 3: Cross multiply
    119,235.04x = 164,542.47 × 65,518.90
  4. Step 4: Simplify right side
    119,235.04x = 10,780,641,811.95
  5. Step 5: Solve for x
    x = 10,780,641,811.95/119,235.04
  6. Step 6: Final answer
    x = 90,415.05

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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.