Home / 319,110.18-440,363.37-175,870.17

Finding the Fourth Proportional to 319,110.18, 440,363.37 and 175,870.17

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Solution

The fourth proportional to 319,110.18, 440,363.37 and 175,870.17 is: 242,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,110.18 : 440,363.37 = 175,870.17 : x
  2. Step 2: Convert to fraction form
    319,110.18/440,363.37 = 175,870.17/x
  3. Step 3: Cross multiply
    319,110.18x = 440,363.37 × 175,870.17
  4. Step 4: Simplify right side
    319,110.18x = 77,446,780,743.67
  5. Step 5: Solve for x
    x = 77,446,780,743.67/319,110.18
  6. Step 6: Final answer
    x = 242,696.05

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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.