Home / 326,312.36-450,312.30-190,440.16

Finding the Fourth Proportional to 326,312.36, 450,312.30 and 190,440.16

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Solution

The fourth proportional to 326,312.36, 450,312.30 and 190,440.16 is: 262,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,312.36 : 450,312.30 = 190,440.16 : x
  2. Step 2: Convert to fraction form
    326,312.36/450,312.30 = 190,440.16/x
  3. Step 3: Cross multiply
    326,312.36x = 450,312.30 × 190,440.16
  4. Step 4: Simplify right side
    326,312.36x = 85,757,546,461.97
  5. Step 5: Solve for x
    x = 85,757,546,461.97/326,312.36
  6. Step 6: Final answer
    x = 262,808.15

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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.