Home / 319,343.09-440,673.30-183,281.27

Finding the Fourth Proportional to 319,343.09, 440,673.30 and 183,281.27

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Solution

The fourth proportional to 319,343.09, 440,673.30 and 183,281.27 is: 252,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,343.09 : 440,673.30 = 183,281.27 : x
  2. Step 2: Convert to fraction form
    319,343.09/440,673.30 = 183,281.27/x
  3. Step 3: Cross multiply
    319,343.09x = 440,673.30 × 183,281.27
  4. Step 4: Simplify right side
    319,343.09x = 80,767,159,875.72
  5. Step 5: Solve for x
    x = 80,767,159,875.72/319,343.09
  6. Step 6: Final answer
    x = 252,916.58

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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.