Home / 176,544.13-243,625.78-100,070.28

Finding the Fourth Proportional to 176,544.13, 243,625.78 and 100,070.28

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Solution

The fourth proportional to 176,544.13, 243,625.78 and 100,070.28 is: 138,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,544.13 : 243,625.78 = 100,070.28 : x
  2. Step 2: Convert to fraction form
    176,544.13/243,625.78 = 100,070.28/x
  3. Step 3: Cross multiply
    176,544.13x = 243,625.78 × 100,070.28
  4. Step 4: Simplify right side
    176,544.13x = 24,379,700,019.82
  5. Step 5: Solve for x
    x = 24,379,700,019.82/176,544.13
  6. Step 6: Final answer
    x = 138,094.08

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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.