Home / 317,973.10-438,707.19-190,602.22

Finding the Fourth Proportional to 317,973.10, 438,707.19 and 190,602.22

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Solution

The fourth proportional to 317,973.10, 438,707.19 and 190,602.22 is: 262,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,973.10 : 438,707.19 = 190,602.22 : x
  2. Step 2: Convert to fraction form
    317,973.10/438,707.19 = 190,602.22/x
  3. Step 3: Cross multiply
    317,973.10x = 438,707.19 × 190,602.22
  4. Step 4: Simplify right side
    317,973.10x = 83,618,564,343.96
  5. Step 5: Solve for x
    x = 83,618,564,343.96/317,973.10
  6. Step 6: Final answer
    x = 262,973.71

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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.