Home / 132,547.54-198,274.56-85,089.64

Finding the Fourth Proportional to 132,547.54, 198,274.56 and 85,089.64

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Solution

The fourth proportional to 132,547.54, 198,274.56 and 85,089.64 is: 127,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,547.54 : 198,274.56 = 85,089.64 : x
  2. Step 2: Convert to fraction form
    132,547.54/198,274.56 = 85,089.64/x
  3. Step 3: Cross multiply
    132,547.54x = 198,274.56 × 85,089.64
  4. Step 4: Simplify right side
    132,547.54x = 16,871,110,931.56
  5. Step 5: Solve for x
    x = 16,871,110,931.56/132,547.54
  6. Step 6: Final answer
    x = 127,283.47

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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.