Home / 210,157.83-290,018.76-114,666.54

Finding the Fourth Proportional to 210,157.83, 290,018.76 and 114,666.54

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Solution

The fourth proportional to 210,157.83, 290,018.76 and 114,666.54 is: 158,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,157.83 : 290,018.76 = 114,666.54 : x
  2. Step 2: Convert to fraction form
    210,157.83/290,018.76 = 114,666.54/x
  3. Step 3: Cross multiply
    210,157.83x = 290,018.76 × 114,666.54
  4. Step 4: Simplify right side
    210,157.83x = 33,255,447,744.29
  5. Step 5: Solve for x
    x = 33,255,447,744.29/210,157.83
  6. Step 6: Final answer
    x = 158,240.35

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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.