Home / 130,233.84-195,510.26-85,897.68

Finding the Fourth Proportional to 130,233.84, 195,510.26 and 85,897.68

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Solution

The fourth proportional to 130,233.84, 195,510.26 and 85,897.68 is: 128,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,233.84 : 195,510.26 = 85,897.68 : x
  2. Step 2: Convert to fraction form
    130,233.84/195,510.26 = 85,897.68/x
  3. Step 3: Cross multiply
    130,233.84x = 195,510.26 × 85,897.68
  4. Step 4: Simplify right side
    130,233.84x = 16,793,877,750.20
  5. Step 5: Solve for x
    x = 16,793,877,750.20/130,233.84
  6. Step 6: Final answer
    x = 128,951.72

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1.5x scale

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.