Home / 119,037.89-164,274.77-65,319.77

Finding the Fourth Proportional to 119,037.89, 164,274.77 and 65,319.77

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Solution

The fourth proportional to 119,037.89, 164,274.77 and 65,319.77 is: 90,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,037.89 : 164,274.77 = 65,319.77 : x
  2. Step 2: Convert to fraction form
    119,037.89/164,274.77 = 65,319.77/x
  3. Step 3: Cross multiply
    119,037.89x = 164,274.77 × 65,319.77
  4. Step 4: Simplify right side
    119,037.89x = 10,730,389,866.60
  5. Step 5: Solve for x
    x = 10,730,389,866.60/119,037.89
  6. Step 6: Final answer
    x = 90,142.64

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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.