Home / 119,039.13-164,276.02-65,329.15

Finding the Fourth Proportional to 119,039.13, 164,276.02 and 65,329.15

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Solution

The fourth proportional to 119,039.13, 164,276.02 and 65,329.15 is: 90,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,039.13 : 164,276.02 = 65,329.15 : x
  2. Step 2: Convert to fraction form
    119,039.13/164,276.02 = 65,329.15/x
  3. Step 3: Cross multiply
    119,039.13x = 164,276.02 × 65,329.15
  4. Step 4: Simplify right side
    119,039.13x = 10,732,012,751.98
  5. Step 5: Solve for x
    x = 10,732,012,751.98/119,039.13
  6. Step 6: Final answer
    x = 90,155.34

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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.