Home / 127,207.45-190,833.18-42,968.23

Finding the Fourth Proportional to 127,207.45, 190,833.18 and 42,968.23

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Solution

The fourth proportional to 127,207.45, 190,833.18 and 42,968.23 is: 64,459.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,207.45 : 190,833.18 = 42,968.23 : x
  2. Step 2: Convert to fraction form
    127,207.45/190,833.18 = 42,968.23/x
  3. Step 3: Cross multiply
    127,207.45x = 190,833.18 × 42,968.23
  4. Step 4: Simplify right side
    127,207.45x = 8,199,763,526.26
  5. Step 5: Solve for x
    x = 8,199,763,526.26/127,207.45
  6. Step 6: Final answer
    x = 64,459.77

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1.5x scale

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.