Home / 210,941.85-291,100.53-114,145.71

Finding the Fourth Proportional to 210,941.85, 291,100.53 and 114,145.71

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Solution

The fourth proportional to 210,941.85, 291,100.53 and 114,145.71 is: 157,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,941.85 : 291,100.53 = 114,145.71 : x
  2. Step 2: Convert to fraction form
    210,941.85/291,100.53 = 114,145.71/x
  3. Step 3: Cross multiply
    210,941.85x = 291,100.53 × 114,145.71
  4. Step 4: Simplify right side
    210,941.85x = 33,227,875,051.54
  5. Step 5: Solve for x
    x = 33,227,875,051.54/210,941.85
  6. Step 6: Final answer
    x = 157,521.49

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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.