Home / 319,475.34-440,880.77-176,232.31

Finding the Fourth Proportional to 319,475.34, 440,880.77 and 176,232.31

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Solution

The fourth proportional to 319,475.34, 440,880.77 and 176,232.31 is: 243,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,475.34 : 440,880.77 = 176,232.31 : x
  2. Step 2: Convert to fraction form
    319,475.34/440,880.77 = 176,232.31/x
  3. Step 3: Cross multiply
    319,475.34x = 440,880.77 × 176,232.31
  4. Step 4: Simplify right side
    319,475.34x = 77,697,435,870.06
  5. Step 5: Solve for x
    x = 77,697,435,870.06/319,475.34
  6. Step 6: Final answer
    x = 243,203.23

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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.