Home / 127,089.60-190,510.47-60,511.83

Finding the Fourth Proportional to 127,089.60, 190,510.47 and 60,511.83

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Solution

The fourth proportional to 127,089.60, 190,510.47 and 60,511.83 is: 90,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,089.60 : 190,510.47 = 60,511.83 : x
  2. Step 2: Convert to fraction form
    127,089.60/190,510.47 = 60,511.83/x
  3. Step 3: Cross multiply
    127,089.60x = 190,510.47 × 60,511.83
  4. Step 4: Simplify right side
    127,089.60x = 11,528,137,173.86
  5. Step 5: Solve for x
    x = 11,528,137,173.86/127,089.60
  6. Step 6: Final answer
    x = 90,708.74

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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.