Home / 314,816.40-434,433.87-171,573.30

Finding the Fourth Proportional to 314,816.40, 434,433.87 and 171,573.30

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Solution

The fourth proportional to 314,816.40, 434,433.87 and 171,573.30 is: 236,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,816.40 : 434,433.87 = 171,573.30 : x
  2. Step 2: Convert to fraction form
    314,816.40/434,433.87 = 171,573.30/x
  3. Step 3: Cross multiply
    314,816.40x = 434,433.87 × 171,573.30
  4. Step 4: Simplify right side
    314,816.40x = 74,537,252,707.67
  5. Step 5: Solve for x
    x = 74,537,252,707.67/314,816.40
  6. Step 6: Final answer
    x = 236,764.20

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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.