Home / 145,614.34-201,009.78-97,895.36

Finding the Fourth Proportional to 145,614.34, 201,009.78 and 97,895.36

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Solution

The fourth proportional to 145,614.34, 201,009.78 and 97,895.36 is: 135,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,614.34 : 201,009.78 = 97,895.36 : x
  2. Step 2: Convert to fraction form
    145,614.34/201,009.78 = 97,895.36/x
  3. Step 3: Cross multiply
    145,614.34x = 201,009.78 × 97,895.36
  4. Step 4: Simplify right side
    145,614.34x = 19,677,924,776.62
  5. Step 5: Solve for x
    x = 19,677,924,776.62/145,614.34
  6. Step 6: Final answer
    x = 135,137.27

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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.