Home / 164,038.23-245,969.85-84,956.31

Finding the Fourth Proportional to 164,038.23, 245,969.85 and 84,956.31

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Solution

The fourth proportional to 164,038.23, 245,969.85 and 84,956.31 is: 127,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,038.23 : 245,969.85 = 84,956.31 : x
  2. Step 2: Convert to fraction form
    164,038.23/245,969.85 = 84,956.31/x
  3. Step 3: Cross multiply
    164,038.23x = 245,969.85 × 84,956.31
  4. Step 4: Simplify right side
    164,038.23x = 20,896,690,827.25
  5. Step 5: Solve for x
    x = 20,896,690,827.25/164,038.23
  6. Step 6: Final answer
    x = 127,389.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.