Home / 191,064.96-263,421.72-122,960.16

Finding the Fourth Proportional to 191,064.96, 263,421.72 and 122,960.16

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Solution

The fourth proportional to 191,064.96, 263,421.72 and 122,960.16 is: 169,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,064.96 : 263,421.72 = 122,960.16 : x
  2. Step 2: Convert to fraction form
    191,064.96/263,421.72 = 122,960.16/x
  3. Step 3: Cross multiply
    191,064.96x = 263,421.72 × 122,960.16
  4. Step 4: Simplify right side
    191,064.96x = 32,390,376,838.68
  5. Step 5: Solve for x
    x = 32,390,376,838.68/191,064.96
  6. Step 6: Final answer
    x = 169,525.47

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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.