Home / 145,614.17-201,009.56-97,895.20

Finding the Fourth Proportional to 145,614.17, 201,009.56 and 97,895.20

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Solution

The fourth proportional to 145,614.17, 201,009.56 and 97,895.20 is: 135,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,614.17 : 201,009.56 = 97,895.20 : x
  2. Step 2: Convert to fraction form
    145,614.17/201,009.56 = 97,895.20/x
  3. Step 3: Cross multiply
    145,614.17x = 201,009.56 × 97,895.20
  4. Step 4: Simplify right side
    145,614.17x = 19,677,871,078.11
  5. Step 5: Solve for x
    x = 19,677,871,078.11/145,614.17
  6. Step 6: Final answer
    x = 135,137.06

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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.