Home / 314,038.20-470,366.10-189,161.40

Finding the Fourth Proportional to 314,038.20, 470,366.10 and 189,161.40

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Solution

The fourth proportional to 314,038.20, 470,366.10 and 189,161.40 is: 283,325.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,038.20 : 470,366.10 = 189,161.40 : x
  2. Step 2: Convert to fraction form
    314,038.20/470,366.10 = 189,161.40/x
  3. Step 3: Cross multiply
    314,038.20x = 470,366.10 × 189,161.40
  4. Step 4: Simplify right side
    314,038.20x = 88,975,109,988.54
  5. Step 5: Solve for x
    x = 88,975,109,988.54/314,038.20
  6. Step 6: Final answer
    x = 283,325.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.