Home / 222,637.49-307,031.33-142,117.01

Finding the Fourth Proportional to 222,637.49, 307,031.33 and 142,117.01

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Solution

The fourth proportional to 222,637.49, 307,031.33 and 142,117.01 is: 195,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,637.49 : 307,031.33 = 142,117.01 : x
  2. Step 2: Convert to fraction form
    222,637.49/307,031.33 = 142,117.01/x
  3. Step 3: Cross multiply
    222,637.49x = 307,031.33 × 142,117.01
  4. Step 4: Simplify right side
    222,637.49x = 43,634,373,416.06
  5. Step 5: Solve for x
    x = 43,634,373,416.06/222,637.49
  6. Step 6: Final answer
    x = 195,988.44

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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.