Home / 210,666.96-290,727.36-115,176.24

Finding the Fourth Proportional to 210,666.96, 290,727.36 and 115,176.24

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Solution

The fourth proportional to 210,666.96, 290,727.36 and 115,176.24 is: 158,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,666.96 : 290,727.36 = 115,176.24 : x
  2. Step 2: Convert to fraction form
    210,666.96/290,727.36 = 115,176.24/x
  3. Step 3: Cross multiply
    210,666.96x = 290,727.36 × 115,176.24
  4. Step 4: Simplify right side
    210,666.96x = 33,484,884,189.93
  5. Step 5: Solve for x
    x = 33,484,884,189.93/210,666.96
  6. Step 6: Final answer
    x = 158,947.01

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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.