Home / 117,276.16-176,149.54-69,983.50

Finding the Fourth Proportional to 117,276.16, 176,149.54 and 69,983.50

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Solution

The fourth proportional to 117,276.16, 176,149.54 and 69,983.50 is: 105,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,276.16 : 176,149.54 = 69,983.50 : x
  2. Step 2: Convert to fraction form
    117,276.16/176,149.54 = 69,983.50/x
  3. Step 3: Cross multiply
    117,276.16x = 176,149.54 × 69,983.50
  4. Step 4: Simplify right side
    117,276.16x = 12,327,561,332.59
  5. Step 5: Solve for x
    x = 12,327,561,332.59/117,276.16
  6. Step 6: Final answer
    x = 105,115.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.