Home / 210,980.40-291,152.37-114,184.42

Finding the Fourth Proportional to 210,980.40, 291,152.37 and 114,184.42

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Solution

The fourth proportional to 210,980.40, 291,152.37 and 114,184.42 is: 157,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,980.40 : 291,152.37 = 114,184.42 : x
  2. Step 2: Convert to fraction form
    210,980.40/291,152.37 = 114,184.42/x
  3. Step 3: Cross multiply
    210,980.40x = 291,152.37 × 114,184.42
  4. Step 4: Simplify right side
    210,980.40x = 33,245,064,200.39
  5. Step 5: Solve for x
    x = 33,245,064,200.39/210,980.40
  6. Step 6: Final answer
    x = 157,574.19

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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.