Home / 176,000.64-242,879.39-99,534.75

Finding the Fourth Proportional to 176,000.64, 242,879.39 and 99,534.75

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Solution

The fourth proportional to 176,000.64, 242,879.39 and 99,534.75 is: 137,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,000.64 : 242,879.39 = 99,534.75 : x
  2. Step 2: Convert to fraction form
    176,000.64/242,879.39 = 99,534.75/x
  3. Step 3: Cross multiply
    176,000.64x = 242,879.39 × 99,534.75
  4. Step 4: Simplify right side
    176,000.64x = 24,174,939,363.80
  5. Step 5: Solve for x
    x = 24,174,939,363.80/176,000.64
  6. Step 6: Final answer
    x = 137,357.11

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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.