Home / 145,826.56-201,254.94-85,393.48

Finding the Fourth Proportional to 145,826.56, 201,254.94 and 85,393.48

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Solution

The fourth proportional to 145,826.56, 201,254.94 and 85,393.48 is: 117,851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,826.56 : 201,254.94 = 85,393.48 : x
  2. Step 2: Convert to fraction form
    145,826.56/201,254.94 = 85,393.48/x
  3. Step 3: Cross multiply
    145,826.56x = 201,254.94 × 85,393.48
  4. Step 4: Simplify right side
    145,826.56x = 17,185,859,693.79
  5. Step 5: Solve for x
    x = 17,185,859,693.79/145,826.56
  6. Step 6: Final answer
    x = 117,851.37

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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.