Home / 232,368.10-320,637.29-130,389.64

Finding the Fourth Proportional to 232,368.10, 320,637.29 and 130,389.64

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Solution

The fourth proportional to 232,368.10, 320,637.29 and 130,389.64 is: 179,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,368.10 : 320,637.29 = 130,389.64 : x
  2. Step 2: Convert to fraction form
    232,368.10/320,637.29 = 130,389.64/x
  3. Step 3: Cross multiply
    232,368.10x = 320,637.29 × 130,389.64
  4. Step 4: Simplify right side
    232,368.10x = 41,807,779,360.13
  5. Step 5: Solve for x
    x = 41,807,779,360.13/232,368.10
  6. Step 6: Final answer
    x = 179,920.48

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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.