Home / 127,223.48-175,561.54-70,631.21

Finding the Fourth Proportional to 127,223.48, 175,561.54 and 70,631.21

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Solution

The fourth proportional to 127,223.48, 175,561.54 and 70,631.21 is: 97,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,223.48 : 175,561.54 = 70,631.21 : x
  2. Step 2: Convert to fraction form
    127,223.48/175,561.54 = 70,631.21/x
  3. Step 3: Cross multiply
    127,223.48x = 175,561.54 × 70,631.21
  4. Step 4: Simplify right side
    127,223.48x = 12,400,122,945.28
  5. Step 5: Solve for x
    x = 12,400,122,945.28/127,223.48
  6. Step 6: Final answer
    x = 97,467.26

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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.