Home / 314,518.28-434,023.72-171,275.16

Finding the Fourth Proportional to 314,518.28, 434,023.72 and 171,275.16

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Solution

The fourth proportional to 314,518.28, 434,023.72 and 171,275.16 is: 236,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,518.28 : 434,023.72 = 171,275.16 : x
  2. Step 2: Convert to fraction form
    314,518.28/434,023.72 = 171,275.16/x
  3. Step 3: Cross multiply
    314,518.28x = 434,023.72 × 171,275.16
  4. Step 4: Simplify right side
    314,518.28x = 74,337,482,086.80
  5. Step 5: Solve for x
    x = 74,337,482,086.80/314,518.28
  6. Step 6: Final answer
    x = 236,353.45

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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.