Home / 210,954.93-291,116.75-114,158.72

Finding the Fourth Proportional to 210,954.93, 291,116.75 and 114,158.72

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Solution

The fourth proportional to 210,954.93, 291,116.75 and 114,158.72 is: 157,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,954.93 : 291,116.75 = 114,158.72 : x
  2. Step 2: Convert to fraction form
    210,954.93/291,116.75 = 114,158.72/x
  3. Step 3: Cross multiply
    210,954.93x = 291,116.75 × 114,158.72
  4. Step 4: Simplify right side
    210,954.93x = 33,233,513,524.18
  5. Step 5: Solve for x
    x = 33,233,513,524.18/210,954.93
  6. Step 6: Final answer
    x = 157,538.45

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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.