Home / 102,569.36-153,796.32-70,586.00

Finding the Fourth Proportional to 102,569.36, 153,796.32 and 70,586.00

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Solution

The fourth proportional to 102,569.36, 153,796.32 and 70,586.00 is: 105,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,569.36 : 153,796.32 = 70,586.00 : x
  2. Step 2: Convert to fraction form
    102,569.36/153,796.32 = 70,586.00/x
  3. Step 3: Cross multiply
    102,569.36x = 153,796.32 × 70,586.00
  4. Step 4: Simplify right side
    102,569.36x = 10,855,866,851.27
  5. Step 5: Solve for x
    x = 10,855,866,851.27/102,569.36
  6. Step 6: Final answer
    x = 105,839.28

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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.