Home / 176,128.32-243,073.48-100,662.24

Finding the Fourth Proportional to 176,128.32, 243,073.48 and 100,662.24

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Solution

The fourth proportional to 176,128.32, 243,073.48 and 100,662.24 is: 138,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,128.32 : 243,073.48 = 100,662.24 : x
  2. Step 2: Convert to fraction form
    176,128.32/243,073.48 = 100,662.24/x
  3. Step 3: Cross multiply
    176,128.32x = 243,073.48 × 100,662.24
  4. Step 4: Simplify right side
    176,128.32x = 24,468,320,981.40
  5. Step 5: Solve for x
    x = 24,468,320,981.40/176,128.32
  6. Step 6: Final answer
    x = 138,923.26

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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.