Home / 118,133.02-163,021.14-64,418.62

Finding the Fourth Proportional to 118,133.02, 163,021.14 and 64,418.62

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Solution

The fourth proportional to 118,133.02, 163,021.14 and 64,418.62 is: 88,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,133.02 : 163,021.14 = 64,418.62 : x
  2. Step 2: Convert to fraction form
    118,133.02/163,021.14 = 64,418.62/x
  3. Step 3: Cross multiply
    118,133.02x = 163,021.14 × 64,418.62
  4. Step 4: Simplify right side
    118,133.02x = 10,501,596,869.63
  5. Step 5: Solve for x
    x = 10,501,596,869.63/118,133.02
  6. Step 6: Final answer
    x = 88,896.37

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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.