Home / 118,666.37-163,759.07-64,951.22

Finding the Fourth Proportional to 118,666.37, 163,759.07 and 64,951.22

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Solution

The fourth proportional to 118,666.37, 163,759.07 and 64,951.22 is: 89,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,666.37 : 163,759.07 = 64,951.22 : x
  2. Step 2: Convert to fraction form
    118,666.37/163,759.07 = 64,951.22/x
  3. Step 3: Cross multiply
    118,666.37x = 163,759.07 × 64,951.22
  4. Step 4: Simplify right side
    118,666.37x = 10,636,350,239.01
  5. Step 5: Solve for x
    x = 10,636,350,239.01/118,666.37
  6. Step 6: Final answer
    x = 89,632.39

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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.