Home / 345,061.12-517,697.32-176,700.65

Finding the Fourth Proportional to 345,061.12, 517,697.32 and 176,700.65

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Solution

The fourth proportional to 345,061.12, 517,697.32 and 176,700.65 is: 265,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,061.12 : 517,697.32 = 176,700.65 : x
  2. Step 2: Convert to fraction form
    345,061.12/517,697.32 = 176,700.65/x
  3. Step 3: Cross multiply
    345,061.12x = 517,697.32 × 176,700.65
  4. Step 4: Simplify right side
    345,061.12x = 91,477,452,947.26
  5. Step 5: Solve for x
    x = 91,477,452,947.26/345,061.12
  6. Step 6: Final answer
    x = 265,105.07

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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.