Home / 354,526.20-531,837.90-117,844.20

Finding the Fourth Proportional to 354,526.20, 531,837.90 and 117,844.20

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Solution

The fourth proportional to 354,526.20, 531,837.90 and 117,844.20 is: 176,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,526.20 : 531,837.90 = 117,844.20 : x
  2. Step 2: Convert to fraction form
    354,526.20/531,837.90 = 117,844.20/x
  3. Step 3: Cross multiply
    354,526.20x = 531,837.90 × 117,844.20
  4. Step 4: Simplify right side
    354,526.20x = 62,674,011,855.18
  5. Step 5: Solve for x
    x = 62,674,011,855.18/354,526.20
  6. Step 6: Final answer
    x = 176,782.45

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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.