Home / 314,746.20-434,344.24-171,507.40

Finding the Fourth Proportional to 314,746.20, 434,344.24 and 171,507.40

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Solution

The fourth proportional to 314,746.20, 434,344.24 and 171,507.40 is: 236,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,746.20 : 434,344.24 = 171,507.40 : x
  2. Step 2: Convert to fraction form
    314,746.20/434,344.24 = 171,507.40/x
  3. Step 3: Cross multiply
    314,746.20x = 434,344.24 × 171,507.40
  4. Step 4: Simplify right side
    314,746.20x = 74,493,251,307.38
  5. Step 5: Solve for x
    x = 74,493,251,307.38/314,746.20
  6. Step 6: Final answer
    x = 236,677.21

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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.