Home / 142,174.92-214,106.08-126,603.48

Finding the Fourth Proportional to 142,174.92, 214,106.08 and 126,603.48

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Solution

The fourth proportional to 142,174.92, 214,106.08 and 126,603.48 is: 190,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,174.92 : 214,106.08 = 126,603.48 : x
  2. Step 2: Convert to fraction form
    142,174.92/214,106.08 = 126,603.48/x
  3. Step 3: Cross multiply
    142,174.92x = 214,106.08 × 126,603.48
  4. Step 4: Simplify right side
    142,174.92x = 27,106,574,817.16
  5. Step 5: Solve for x
    x = 27,106,574,817.16/142,174.92
  6. Step 6: Final answer
    x = 190,656.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.