Home / 314,261.55-433,690.70-178,301.21

Finding the Fourth Proportional to 314,261.55, 433,690.70 and 178,301.21

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Solution

The fourth proportional to 314,261.55, 433,690.70 and 178,301.21 is: 246,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,261.55 : 433,690.70 = 178,301.21 : x
  2. Step 2: Convert to fraction form
    314,261.55/433,690.70 = 178,301.21/x
  3. Step 3: Cross multiply
    314,261.55x = 433,690.70 × 178,301.21
  4. Step 4: Simplify right side
    314,261.55x = 77,327,573,515.79
  5. Step 5: Solve for x
    x = 77,327,573,515.79/314,261.55
  6. Step 6: Final answer
    x = 246,061.20

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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.