Home / 347,141.10-520,711.65-97,823.10

Finding the Fourth Proportional to 347,141.10, 520,711.65 and 97,823.10

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Solution

The fourth proportional to 347,141.10, 520,711.65 and 97,823.10 is: 146,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,141.10 : 520,711.65 = 97,823.10 : x
  2. Step 2: Convert to fraction form
    347,141.10/520,711.65 = 97,823.10/x
  3. Step 3: Cross multiply
    347,141.10x = 520,711.65 × 97,823.10
  4. Step 4: Simplify right side
    347,141.10x = 50,937,627,809.12
  5. Step 5: Solve for x
    x = 50,937,627,809.12/347,141.10
  6. Step 6: Final answer
    x = 146,734.65

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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.