Home / 180,817.13-271,225.69-70,009.13

Finding the Fourth Proportional to 180,817.13, 271,225.69 and 70,009.13

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Solution

The fourth proportional to 180,817.13, 271,225.69 and 70,009.13 is: 105,013.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,817.13 : 271,225.69 = 70,009.13 : x
  2. Step 2: Convert to fraction form
    180,817.13/271,225.69 = 70,009.13/x
  3. Step 3: Cross multiply
    180,817.13x = 271,225.69 × 70,009.13
  4. Step 4: Simplify right side
    180,817.13x = 18,988,274,590.55
  5. Step 5: Solve for x
    x = 18,988,274,590.55/180,817.13
  6. Step 6: Final answer
    x = 105,013.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.