Home / 119,210.02-164,512.68-65,494.54

Finding the Fourth Proportional to 119,210.02, 164,512.68 and 65,494.54

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Solution

The fourth proportional to 119,210.02, 164,512.68 and 65,494.54 is: 90,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,210.02 : 164,512.68 = 65,494.54 : x
  2. Step 2: Convert to fraction form
    119,210.02/164,512.68 = 65,494.54/x
  3. Step 3: Cross multiply
    119,210.02x = 164,512.68 × 65,494.54
  4. Step 4: Simplify right side
    119,210.02x = 10,774,682,300.77
  5. Step 5: Solve for x
    x = 10,774,682,300.77/119,210.02
  6. Step 6: Final answer
    x = 90,384.03

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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.