Home / 319,309.29-440,636.76-176,075.37

Finding the Fourth Proportional to 319,309.29, 440,636.76 and 176,075.37

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Solution

The fourth proportional to 319,309.29, 440,636.76 and 176,075.37 is: 242,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,309.29 : 440,636.76 = 176,075.37 : x
  2. Step 2: Convert to fraction form
    319,309.29/440,636.76 = 176,075.37/x
  3. Step 3: Cross multiply
    319,309.29x = 440,636.76 × 176,075.37
  4. Step 4: Simplify right side
    319,309.29x = 77,585,280,552.60
  5. Step 5: Solve for x
    x = 77,585,280,552.60/319,309.29
  6. Step 6: Final answer
    x = 242,978.46

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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.