Home / 118,029.19-162,878.23-64,314.65

Finding the Fourth Proportional to 118,029.19, 162,878.23 and 64,314.65

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Solution

The fourth proportional to 118,029.19, 162,878.23 and 64,314.65 is: 88,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,029.19 : 162,878.23 = 64,314.65 : x
  2. Step 2: Convert to fraction form
    118,029.19/162,878.23 = 64,314.65/x
  3. Step 3: Cross multiply
    118,029.19x = 162,878.23 × 64,314.65
  4. Step 4: Simplify right side
    118,029.19x = 10,475,456,355.07
  5. Step 5: Solve for x
    x = 10,475,456,355.07/118,029.19
  6. Step 6: Final answer
    x = 88,753.10

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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.