Home / 115,916.55-173,710.80-101,810.40

Finding the Fourth Proportional to 115,916.55, 173,710.80 and 101,810.40

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Solution

The fourth proportional to 115,916.55, 173,710.80 and 101,810.40 is: 152,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,916.55 : 173,710.80 = 101,810.40 : x
  2. Step 2: Convert to fraction form
    115,916.55/173,710.80 = 101,810.40/x
  3. Step 3: Cross multiply
    115,916.55x = 173,710.80 × 101,810.40
  4. Step 4: Simplify right side
    115,916.55x = 17,685,566,032.32
  5. Step 5: Solve for x
    x = 17,685,566,032.32/115,916.55
  6. Step 6: Final answer
    x = 152,571.54

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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.