Home / 119,055.02-164,295.45-65,340.92

Finding the Fourth Proportional to 119,055.02, 164,295.45 and 65,340.92

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Solution

The fourth proportional to 119,055.02, 164,295.45 and 65,340.92 is: 90,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,055.02 : 164,295.45 = 65,340.92 : x
  2. Step 2: Convert to fraction form
    119,055.02/164,295.45 = 65,340.92/x
  3. Step 3: Cross multiply
    119,055.02x = 164,295.45 × 65,340.92
  4. Step 4: Simplify right side
    119,055.02x = 10,735,215,854.81
  5. Step 5: Solve for x
    x = 10,735,215,854.81/119,055.02
  6. Step 6: Final answer
    x = 90,170.21

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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.