Home / 127,272.09-175,637.66-69,913.83

Finding the Fourth Proportional to 127,272.09, 175,637.66 and 69,913.83

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Solution

The fourth proportional to 127,272.09, 175,637.66 and 69,913.83 is: 96,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,272.09 : 175,637.66 = 69,913.83 : x
  2. Step 2: Convert to fraction form
    127,272.09/175,637.66 = 69,913.83/x
  3. Step 3: Cross multiply
    127,272.09x = 175,637.66 × 69,913.83
  4. Step 4: Simplify right side
    127,272.09x = 12,279,501,153.27
  5. Step 5: Solve for x
    x = 12,279,501,153.27/127,272.09
  6. Step 6: Final answer
    x = 96,482.28

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1.5x scale

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.