Home / 191,223.60-263,894.96-105,186.24

Finding the Fourth Proportional to 191,223.60, 263,894.96 and 105,186.24

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Solution

The fourth proportional to 191,223.60, 263,894.96 and 105,186.24 is: 145,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,223.60 : 263,894.96 = 105,186.24 : x
  2. Step 2: Convert to fraction form
    191,223.60/263,894.96 = 105,186.24/x
  3. Step 3: Cross multiply
    191,223.60x = 263,894.96 × 105,186.24
  4. Step 4: Simplify right side
    191,223.60x = 27,758,118,597.35
  5. Step 5: Solve for x
    x = 27,758,118,597.35/191,223.60
  6. Step 6: Final answer
    x = 145,160.53

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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.