Home / 314,868.04-434,515.20-171,628.12

Finding the Fourth Proportional to 314,868.04, 434,515.20 and 171,628.12

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Solution

The fourth proportional to 314,868.04, 434,515.20 and 171,628.12 is: 236,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,868.04 : 434,515.20 = 171,628.12 : x
  2. Step 2: Convert to fraction form
    314,868.04/434,515.20 = 171,628.12/x
  3. Step 3: Cross multiply
    314,868.04x = 434,515.20 × 171,628.12
  4. Step 4: Simplify right side
    314,868.04x = 74,575,026,887.42
  5. Step 5: Solve for x
    x = 74,575,026,887.42/314,868.04
  6. Step 6: Final answer
    x = 236,845.34

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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.