Home / 127,434.25-175,859.47-70,845.63

Finding the Fourth Proportional to 127,434.25, 175,859.47 and 70,845.63

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Solution

The fourth proportional to 127,434.25, 175,859.47 and 70,845.63 is: 97,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,434.25 : 175,859.47 = 70,845.63 : x
  2. Step 2: Convert to fraction form
    127,434.25/175,859.47 = 70,845.63/x
  3. Step 3: Cross multiply
    127,434.25x = 175,859.47 × 70,845.63
  4. Step 4: Simplify right side
    127,434.25x = 12,458,874,943.62
  5. Step 5: Solve for x
    x = 12,458,874,943.62/127,434.25
  6. Step 6: Final answer
    x = 97,767.08

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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.