Home / 210,152.18-290,011.66-114,659.66

Finding the Fourth Proportional to 210,152.18, 290,011.66 and 114,659.66

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Solution

The fourth proportional to 210,152.18, 290,011.66 and 114,659.66 is: 158,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,152.18 : 290,011.66 = 114,659.66 : x
  2. Step 2: Convert to fraction form
    210,152.18/290,011.66 = 114,659.66/x
  3. Step 3: Cross multiply
    210,152.18x = 290,011.66 × 114,659.66
  4. Step 4: Simplify right side
    210,152.18x = 33,252,638,331.64
  5. Step 5: Solve for x
    x = 33,252,638,331.64/210,152.18
  6. Step 6: Final answer
    x = 158,231.23

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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.