Home / 118,021.02-162,866.90-64,306.42

Finding the Fourth Proportional to 118,021.02, 162,866.90 and 64,306.42

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Solution

The fourth proportional to 118,021.02, 162,866.90 and 64,306.42 is: 88,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,021.02 : 162,866.90 = 64,306.42 : x
  2. Step 2: Convert to fraction form
    118,021.02/162,866.90 = 64,306.42/x
  3. Step 3: Cross multiply
    118,021.02x = 162,866.90 × 64,306.42
  4. Step 4: Simplify right side
    118,021.02x = 10,473,387,275.50
  5. Step 5: Solve for x
    x = 10,473,387,275.50/118,021.02
  6. Step 6: Final answer
    x = 88,741.71

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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.