Home / 176,247.36-243,226.80-100,820.16

Finding the Fourth Proportional to 176,247.36, 243,226.80 and 100,820.16

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Solution

The fourth proportional to 176,247.36, 243,226.80 and 100,820.16 is: 139,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,247.36 : 243,226.80 = 100,820.16 : x
  2. Step 2: Convert to fraction form
    176,247.36/243,226.80 = 100,820.16/x
  3. Step 3: Cross multiply
    176,247.36x = 243,226.80 × 100,820.16
  4. Step 4: Simplify right side
    176,247.36x = 24,522,164,892.29
  5. Step 5: Solve for x
    x = 24,522,164,892.29/176,247.36
  6. Step 6: Final answer
    x = 139,134.93

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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.