Home / 176,636.16-243,699.84-109,555.20

Finding the Fourth Proportional to 176,636.16, 243,699.84 and 109,555.20

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Solution

The fourth proportional to 176,636.16, 243,699.84 and 109,555.20 is: 151,150.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,636.16 : 243,699.84 = 109,555.20 : x
  2. Step 2: Convert to fraction form
    176,636.16/243,699.84 = 109,555.20/x
  3. Step 3: Cross multiply
    176,636.16x = 243,699.84 × 109,555.20
  4. Step 4: Simplify right side
    176,636.16x = 26,698,584,711.17
  5. Step 5: Solve for x
    x = 26,698,584,711.17/176,636.16
  6. Step 6: Final answer
    x = 151,150.16

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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.